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internationaldayoflight · 1 year

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Advanced Optics and Solar Energy Industry Innovation Conference.

China Nanyang· 2023 International Day of Light" Advanced Optics and Solar Energy Industry Innovation Conference.

Date: 16/05/2023 - 17/05/2023. Location: Nanyang, China.

Join the Conference to further enhance the core competitiveness and intemational influence of China's optoelectronics industry, Nanyang Municipal Party Committee and Municipal People’s Government plan to hold the China Nanyang 2023 "International Day of Light" Advanced Optics and Solar Energy Industry Innovation Conference with the China Science and Technology Exchange Centre (CSTEC), China Optics and Optoelectronics Manufacturers Association (COEMA), Chinese Academy of Sciences (Changchun Institute of Optics Fine Mechanics and Physics, Shanghai Institute of Optics and Fine Mechanics,Xian Institute of Optics and Precision Mechanics) etc., on the occasion of the International Day of Light on May 16, 2023. The China Optics and Optoelectronics Manufacturers Association (COEMA) event consists of a welcome banquet, opening ceremony, keynote speeches, industry development exchange meeting, excellent company visits, products showcase and project signing ceremony. During the same period, the board meeting of the China Optics and Optoelectronics Manufacturers Association will be held. The theme of the conference is "New Nanyang. Light Festival, Harmonious World, Bright Future" with the direction of "Advanced Optical Design and Manufacturing. Green Low-carbon Light Energy". More than ten domestic well-known academicians of optical industry are invited to the event. Famous academicians, experts and entrepreneurs from optical industry will attend the forum to conduct latest technical exchanges, discuss industrial advances in optoelectronics, and incubate a platform for optical innovations and talents.

https://www.coema.org.cn/

#optoelectronics industry #Green Low-carbon Light Energy #Advanced optical design #china #chips #optical innovations #optical industry #academicians #entrepreneurs #international day of light #16 may #conferences #China Science and Technology Exchange Centre (CSTEC)#Changchun Institute of Optics Fine Mechanics and Physics #Shanghai Institute of Optics and Fine Mechanics #Xian Institute of Optics and Precision Mechanics #China Academy of Sciences

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materialsscienceandengineering · 5 days

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Researchers create dispersion-assisted photodetector to decipher high-dimensional light

A new study published in Nature, conducted by an international collaboration team led by Prof. Wei Li from the Changchun Institute of Optics, Fine Mechanics and Physics (CIOMP) of the Chinese Academy of Sciences, introduces a novel miniaturized photodetector capable of characterizing arbitrary polarization states across a broadband spectrum with a single device and a single measurement. "Traditional photodetectors are limited to measuring light intensity alone. Existing polarization and spectrum photodetectors often rely on the complex integration of multiple polarization- or wavelength-sensitive elements in time or space to enhance detection capabilities," said Professor Wei Li. "Current photodetectors typically sacrifice one dimension of information for another; they can measure either intensity and polarization at a fixed wavelength or intensity and wavelength under uniform polarization.

#Materials Science #Science #Photodetectors #Light

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andronetalks · 8 months

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Quantum Breakthrough: Record-Breaking Quantum Teleportation Achieved Over Metropolitan Range

SciTechDaily By LIGHT PUBLISHING CENTER, CHANGCHUN INSTITUTE OF OPTICS, FINE MECHANICS AND PHYSICS, CAS OCTOBER 19, 2023 Quantum teleportation enables the transfer of quantum information to distant locations through the use of quantum entanglement and classical communication. This concept has been realized in various quantum light systems, ranging from laboratory-based experiments to practical…

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#AndronETech #News #Science #Space #World

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cavenewstimes · 8 months

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Quantum Breakthrough: Record-Breaking Quantum Teleportation Achieved Over Metropolitan Range

By Light Publishing Center, Changchun Institute of Optics, Fine Mechanics And Physics, CAS October 19, 2023 Advancing quantum teleportation, scientists set a brand-new speed record of 7.1 qubits per 2nd, using ingenious innovation and getting rid of previous restrictions, marking an essential stride towards an effective, significant quantum web. Quantum teleportation makes it possible for the…

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alexanderrogge · 10 months

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Light Publishing Center; Changchun Institute of Optics; Fine Mechanics And Physics; CAS, Scientists demonstrate intense ultraviolet-visible-infrared full-spectrum laser:

FullSpectrumLaser #WhiteLaser #LASER #HighHarmonicGeneration #HHG #UltravioletVisibleInfrared #UVVisIR #HollowCoreFiber #HCF #LithiumNiobate #Crystal #Octaves #Optics #Photonics #Physics

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newswireml · 1 year

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Raman spectroscopy method for rapid identification of beer spoilage bacteria#Raman #spectroscopy #method #rapid #identification #beer #spoilage #bacteria

Credit: Unsplash/CC0 Public Domain In a study published in Analytical Methods, a research group led by Li Bei from the Changchun Institute of Optics, Fine Mechanics and Physics (CIOMP) of the Chinese Academy of Sciences (CAS) proposed the rapid detection of beer spoilage bacteria based on label-free surface-enhanced Raman spectroscopy (SERS) technology. Lactic acid bacteria are common spoilage…

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sciencespies · 3 years

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China researching challenges of kilometer-scale ultra-large spacecraft

https://sciencespies.com/space/china-researching-challenges-of-kilometer-scale-ultra-large-spacecraft/

China researching challenges of kilometer-scale ultra-large spacecraft

HELSINKI — The National Natural Science Foundation of China has outlined a five-year project for researchers to study the assembly of ultra-large spacecraft.

Scientists are being directed to meet the “urgent need” for the construction of ultra-large spacecraft. Preliminary research is to include studying the challenges of developing lightweight structures and subsequent on-orbit assembly and control.

Though vague, the project would have practical applications for potential megaprojects including colossal space-based solar power stations. Such facilities would be based in geostationary orbit and span kilometers. These stations would collect solar energy and transmitting power to Earth through microwaves.

Kilometer-scale, ultra-large spacecraft are described as “major strategic aerospace equipment for the future use of space resources, exploration of the mysteries of the universe, and long-term habitation in orbit,” according to the project outline within the mathematical and physical sciences attachment to the released document.

The project would focus on minimizing the weight of the spacecraft to reduce the number of launches and construction, according to an initial report by the South China Morning Post. Modeling of on-orbit dynamics and ground simulation tests of dynamics and control of the space assembly process are also noted as research content for the project.

It is one of 10 proposed research outlines released earlier this month. Funding is expected for a total of five projects and a maximum budget of $2.3 million (15 million yuan).

The announcement from China’s science and technology ministry’s funding arm marks only preliminary research into severely complex and costly challenges of developing what are termed ultra-large spacecraft.

At the same time it indicates that another aspect of capabilities required for huge endeavors such as space-based solar power is being studied. Other concepts including a huge, space-assembled space telescope project, are already being worked on and could provide relevant technology.

Work on an Ultra-Large Aperture On-Orbit Assembly Project under the Chinese Academy of Sciences (CAS) and with support from the Chinese Ministry of Science and Technology is already underway.

The project is focused on the challenges of automated, intelligent on-orbit assembly of a 10-meter-level aperture telescope through cooperation between the Changchun Institute of Optics, Fine Mechanics and Physics (CIOMP) under CAS and the University of Surrey in the United Kingdom.

Meanwhile the China Academy of Space Technology (CAST) is constructing test facilities in Chongqing for space-based solar power. CAST is currently working towards small-scale electricity generation tests in 2022, potentially leading to a megawatt-level power generation facility around 2030.

A research vessel recently carried out 300-meter-altitude microwave transmission tests in the East China Sea with the involvement of CAST.

Space-based solar power test: China’s Aerospace Info Research Institute under CAS carried experiments including 300m line-of-sight microwave transmission using the Zhihai research vessel & 30kg payload on small airship. Early research for potential space-based solar power project pic.twitter.com/923yNzakeR

— Andrew Jones (@AJ_FI) August 19, 2021

The plan, if approved, would aim for commercial, on-orbit gigawatt-level power generation by 2050. This would require more than 100 super heavy-lift Long March 9 launches and around 10,000 tons of infrastructure, assembled in orbit, according to Long Lehao, a chief designer of China’s Long March rocket series.

Long has presented an upgraded, reusable concept for the country’s Long March 9 super heavy-lift rocket currently in development could help address launch costs and cadence for the project.

A future crewed expedition to Mars could also benefit from the research project. The China Academy of Launch Vehicle Technology in June unveiled a tentative space transportation roadmap for a sustained presence on Mars.

China is currently constructing a three-module, 66-ton space station in low Earth orbit. The complex is being built across 11 missions through the end of 2022.

The program was initiated in 1992 and required huge resources and accumulation of capabilities of expertise. Ultra-large spacecraft would present greater demands on resources. Space industry insiders commenting to the Global Times noted the time-span and limitations of the International Space Station, noting that kilometer-level spacecraft face greater time, management and other challenges beyond those of complexity.

The country is however apparently looking to outer space for potential answers to social development challenges and concerns such as energy and resource security.

#Space

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aliworldtrade · 3 years

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Changchun Effort Technology Co., Ltd.

Changchun Effort Technology Co.,Ltd was a professional mannufacture of optics in the world.Our company based in Jin Lin Province,Changchun City, which is the orginal of Changchun Institute Of Optics, Fine Mechanics And Physics Chinese Academy Of Sciences,the biggest Chinese Academy Of Sciences in China. Our company experienced engineers can design custom optical assemblies and specialty coatings to meet your specific requirements.Our professional,skillful and experienced technicians take pride in consistently fabricating high quality products.Our specialist team have ever worked on the photonics industry for many years.EFFORT has been involved in designing, research and development, manufacturing and assembling of precision optical components and optical system. Our main products covers optical component made of optical glasses, infrared crystal and fused silica, such as optical windows, filters, lens, prisms, mirrors,Diffraction Gratings, Infrared Optics, Ultraviolet Optics,Laser Optics,Defense Optics,ect.Every product is strictly inspected to meet our standards or specifications required by customers before it leave EFFORT.Over 90% of the company's products were exported to overseas and the company has a marketing network covering USA, Canada ,United Kingdom, Italy, Germany, France, Netherlands, Lithuania, Hungary, Austria, Japan, Turkey, Singapore, India, Malaysia, Israel, Brazil, etc.. endeavoring to provide convenience to its customers. Read the full article

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fumpkins · 6 years

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Femtosecond laser fabrication—realizing dynamics control of electrons

Schematic diagram of the concept of Electrons Characteristics Control. Credit: Lan Jiang, An-Dong Wang, Bo Li, Tian-Hong Cui & & Yong-Feng Lu. Electrons characteristics manage by forming femtosecond laser pulses in micro/nanofabrication: modeling, approach, measurement and application. Light: Science & & Applications volume 7, 17134 (2018) doi: 10.1038/ lsa.2017134

Femtosecond lasers can processing any strong product with high quality and high accuracy utilizing their ultrafast and ultra-intense attributes. With the constant advancement of laser technology, ultrafast laser production might turn into one of the main techniques utilized in high-end production in the future.

Just recently, scientists have actually understood a brand-new approach of electron characteristics manage for ultrafast laser micro/nano fabrication. For the very first time, the localized short-term electron characteristics can be actively managed to control product homes, which significantly improves the performance, quality, harmony and accuracy of laser fabrication.

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This research study was carried out by the group of Teacher Lan Jiang from Beijing Institute of Technology, in cooperation with Teacher Tian-Hong Cui from the University of Minnesota, and Teacher Yongfeng Lu from the University of Nebraska– Lincoln. Their research study outcomes were just recently examined in Light: Science and Applications

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Over the previous years, the research study group has actually dedicated their efforts to studying unique techniques of making based upon electron characteristics manage. They utilized the temporally/spatially-shaped ultrafast laser to manage localized short-term electron characteristics (e.g., density, temperature level, and circulation); moreover, they customized the localized short-term product homes and changed product stage modification; ultimately, they carried out the unique fabrication approach.

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They developed a multiscale design of ultrafast laser products interactions and forecasted that the temporally/spatially-shaped ultrafast pulses can manage the laser product interaction procedures. Additionally, on the basis of the theoretical forecasts, they experimentally validated the credibility of the electron characteristics manage approach. In addition, they proposed and carried out a multiscale measurement system for observing femtosecond laser ablation characteristics from femtosecond scale to 2nd scale, which supplied speculative proofs for the proposed system.

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Utilizing this approach, they significantly enhanced fabrication performance, quality, repeatability and accuracy, and extended the fabrication limitations of laser production. The brand-new approach has actually dealt with some important production obstacles and currently been used to a series of significant Chinese nationwide jobs. This unique approach understands the active control of localized short-term electron characteristics in the laser fabrication procedure for the very first time. Additionally, it widens possibilities for the control of fabrication on the electron level, which might offer advanced contributions to high-end production, product homes adjustment, and chain reactions manage.

Check Out even more: Managing spin for memory storage.

. More details: Lan Jiang et al, Electrons characteristics manage by forming femtosecond laser pulses in micro/nanofabrication: modeling, approach, measurement and application, Light: Science & & Applications(********************** )(2018). DOI: 10.1038/ lsa.2017134

Journal referral: Light: Science & & Applications.

Supplied by: Changchun Institute of Optics, Fine Mechanics and Physics.

New post published on: https://www.livescience.tech/2018/03/28/femtosecond-laser-fabrication-realizing-dynamics-control-of-electrons/

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engrfahadblr · 4 years

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Changchun University of Science and Technology Jilin Provincial Government Scholarship 2020

https://www.chinesescholarshipcouncil.com/?p=1020&wpwautoposter=1591323934 The CUST Jilin Provincial Government Full Postgraduate Scholarship in China are open apply now. CUST Jilin Provincial Government Full Postgraduate Scholarship in China, Applications are invited for Jilin Provincial Government Scholarship- Changchun University of Science and Technology Program to study in China for the year 2020. International students (citizen of a country other than the People’s Republic of China) are eligible to apply for this scholarship. The aim of the scholarship is to provide financial help citizens of a country other than the People’s Republic of China. CUST Jilin Provincial Government Full Postgraduate Scholarship in China ABOUT UNIVERSITY: Changchun University of Science and Technology is a key university in China, previously known as Changchun Institute of Optics and Fine Mechanics. The university is particularly renowned for its optical-electrical engineering which is constantly considered one of the best in China along with Zhejiang University. CUST Jilin Provincial Government Full Postgraduate Scholarship in China Degree Level: Scholarships are available for postgraduate studies in Jilin province, China. Available Subject: This scholarship only supports master’s programs which are taught in English; include Mechanical Engineering, Computer Technology and Master of Business Administration. CUST Jilin Provincial Government Full Postgraduate Scholarship in China Changchun University of Science and Technology Jilin Provincial Government Scholarship Benefits: Scholarship Coverage: A waiver of fee for registration, tuition, laboratory experiments, internship, and basic textbooks; a) Cost of experiments or internships beyond the program curricular is at student’s own expense. b) Cost of books or learning materials other than required basic textbooks is at student’s own expense. Free on-campus dormitory accommodation; Monthly living allowance: CNY 1,700; Note: Scholarship recipients registering before the 15th of the registration month (the 15th included) will be granted the full living allowance of that month. Recipients registering after the 15th of the registration month will be granted half of the living allowance of that month. Outpatient medical service and Comprehensive Medical Insurance and Protection Scheme for International Students in China. Number of Scholarships: Not Known Changchun University of Science and Technology Jilin Provincial Government Scholarship Eligibility: To be eligible, applicants must: Be a citizen of a country other than the People’s Republic of China, and be in good health; Be a bachelor’s degree holder under the age of 35 when applying for master’s programs; Have an overall GPA over 75 on 100 scales in undergraduate school. Eligible Nationalities: International students (citizen of a country other than the People’s Republic of China) are eligible to apply for this scholarship. Changchun University of Science and Technology Jilin Provincial Government Scholarship Application Procedure: a. Application Form for Jilin Provincial Government Scholarship (in Chinese or English, please download it from below). Notarized highest diploma (photocopy): Prospective diploma winners must submit official proof of student status by their current school. Documents in languages other than Chinese or English must be attached with notarized Chinese or English translations. Academic transcripts: Transcripts in languages other than Chinese or English must be attached with notarized Chinese or English translations. A Study Plan or Research Proposal in Chinese or English with a minimum of 800 words. Two letters of recommendation in Chinese or English from professors or associate professors. Applicants planning to stay in China for more than 6 months must submit a photocopy of the Foreigner Physical Examination Form completed in English (the original copy should be kept by the applicant. The form designed by the Chinese quarantine authority can be downloaded from http://www.csc.edu.cn/laihua or http://www.campuschina.org). The physical examinations must cover all the items listed in the Foreigner Physical Examination Form. Incomplete records or those without the signature of the attending physician, the official stamp of the hospital or a sealed photograph of the applicants are invalid. Please select the appropriate time to take physical examination as the result is valid for only 6 months. Applicants with valid HSK Certificate should enclose it in the application package. The above documents should be bound on top left corner (in duplicate) and sent directly to Changchun University of Science and Technology. No application documents will be returned. Application Form Deadline: Applicants should apply to Changchun University of Science and Technology between early January and June 20, 2020. Scholarship Link CUST Jilin Provincial Government Full Postgraduate Scholarship in China, Applications are invited for Jilin Provincial Government Scholarship- Changchun University of Science and Technology Program to study in China for the year 2020. International students (citizen of a country other than the People’s Republic of China) are eligible to apply for this scholarship.

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kathleenseiber · 5 years

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Unsinkable metal structure mimics spiders and ants

A new metal structure is so water repellent that it refuses to sink—no matter how often it’s forced into water or how much it’s damaged or punctured.

Could this lead to an unsinkable ship? A wearable flotation device that will still float after a puncture? Electronic monitoring devices that can survive in long term in the ocean?

All of the above, says Chunlei Guo, professor of optics and physics at the University of Rochester.

Spider ‘bells’ and ant ‘rafts’

The structure, inspired by diving bell spiders and rafts of fire ants, uses a groundbreaking technique the lab developed for using femtosecond bursts of lasers to “etch” the surfaces of metals with intricate micro- and nanoscale patterns that trap air and make the surfaces superhydrophobic, or water repellent.

Enter the spiders and fire ants, which can survive long periods under or on the surface of water. How? By trapping air in an enclosed area.

Argyroneta aquatic spiders, for example, create an underwater dome-shaped web—a so-called diving bell— that they fill with air carried from the surface between their super-hydrophobic legs and abdomens. Similarly, fire ants can form a raft by trapping air among their superhydrophobic bodies.

via GIPHY

“That was a very interesting inspiration,” Guo says. As the researchers note in the paper: “The key insight is that multifaceted superhydrophobic (SH) surfaces can trap a large air volume, which points towards the possibility of using SH surfaces to create buoyant devices.”

Unsinkable metal structure

Guo’s lab created a structure in which the treated surfaces on two parallel aluminum plates face inward, not outward, so they are enclosed and free from external wear and abrasion. Just the right distance to trap and hold enough air separate the surfaces to keep the structure floating—in essence creating a waterproof compartment.

Even after researchers forced the structures to submerge for two months, they immediately bounced back to the surface after the load released, Guo says. The structures also retained this ability even researchers punctured them multiple times, because air remains trapped in remaining parts of the compartment or adjoining structures.

Etch other metals

Though the team used aluminum for this project, the “etching process “could be used for literally any metals, or other materials,” Guo says.

When the Guo lab first demonstrated the etching technique, it took an hour to pattern a one-inch-by-one-inch area of surface. Now, using lasers seven times as powerful, and faster scanning, the lab has sped up the process, making it more feasible for scaling up for commercial applications.

The paper appears in ACS Applied Materials and Interfaces. Additional coauthors are from the University of Rochester and the Changchun Institute of Optics, Fine Mechanics, and Physics in China.

The Bill & Melinda Gates Foundation, the US Army Research Office, and National Science Foundation funded the work.

Source: University of Rochester

The post Unsinkable metal structure mimics spiders and ants appeared first on Futurity.

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centinel2001 · 5 years

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Super Camera Can Find You in a Crowd – No Place to Hide

Armstrong Economics Blog/Technology Re-Posted Oct 14, 2019 by Martin Armstrong

If you thought you could hide, you will soon need a face transplant to do so. Chinese scientists at the Fudan University and Changchun Institute of Optics, Fine Mechanics and Physics, have developed a 500MP cloud-connected “super camera” that can reportedly pick out facial details of an individual person among…

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materialsscienceandengineering · 9 months

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Line-scan Raman micro-spectroscopy provides rapid method for micro and nanoplastics detection

Microplastics—plastics particles smaller than 5 mm in size—have caused an environmental pollution issue that cannot be ignored by our society. Raman spectroscopy technology, with its non-contact, non-destructive and chemical-specific characteristics, has been widely applied in the field of microplastics detection. However, conventional point confocal Raman techniques are limited to single-point detection, impeding the detection speed. In a study published in Talanta, a research group led by Prof. Li Bei from the Changchun Institute of Optics, Fine Mechanics and Physics (CIOMP) of the Chinese Academy of Sciences (CAS), in collaboration with Prof. Wolfgang Langbein from Cardiff University, proposed a novel line-scan Raman micro-spectroscopy technique for rapid identification of micro- and nanoplastics. Based on the fundamental principles of confocal Raman spectroscopy, the focused excitation spot transforms from a convergent point into a convergent line with diffraction-limited width. The optical setup employs a conjugate imaging design. In the two-dimensional image recorded by the charge-coupled device (CCD), the vertical dimension maps the vertical dimension of the sample along the excitation line, while the spectrum is dispersed along the horizontal dimension. In this way, a single acquisition provides the spectra for all spatial positions along the excitation line.