Please wait, while we are loading the content...
| Content Provider | IEEE Xplore Digital Library |
|---|---|
| Author | Wenbin Liu Taishan Wang Chengpeng Li Hong Xia Martin Hu Yan Liu |
| Copyright Year | 2015 |
| Description | Author affiliation: Res. Inst., Tsinghua Univ. in Shenzhen, Shenzhen, China (Hong Xia; Martin Hu; Yan Liu) || Shenzhen Raybow Optoelectron. Corp, Shenzhen, China (Wenbin Liu; Taishan Wang; Chengpeng Li) |
| Abstract | High power semiconductor laser diodes are widely used for fiber laser pumping, solid-state laser pumping, materials processing, cosmetic treatment, laser display, solid-state lighting and military applications. Existing and emerging applications push the technology of high-power semiconductor laser diodes to even wider range of wavelengths, higher power and brightness, lower cost of manufacturing and the most importantly, the improvement of reliability. However, the reliability assessment of multiple high-power laser diodes has been difficult and costly due to the high current, high-density heat flux, high optical intensity and the possibility of contamination in a long-term lifetest. The lack of high-performance lifetest systems has hindered the progress of high power laser diodes. In this paper, we report the design and implementation of a high-performance system for reliability testing of high-power semiconductor laser diodes. This system is capable of simultaneously aging 80 single-emitter diodes each outputting 10-20W optical power with the in-situ optical power and optical wavelength monitoring. The handling capacities are as high as 2KW and 4KW, respectively for optical power and heat dissipation. Many features are implemented to ensure correct and safe use of the system. Various temperature sensors are embedded inside the system to monitor the temperatures of the cooling water, the temperature of the air and the temperatures of the heat sinks. Flow rate of the cooling water is monitored and controlled. As required for long term lifetest, the system provides a class-100 clean environment and a controlled temperature for laser diodes under test. The system is used in multi-cell acceleration aging of high-power, high-brightness 9xxnm semiconductor laser diodes manufactured by Shenzhen Raybow Opto Inc. |
| Starting Page | 1001 |
| Ending Page | 1005 |
| File Size | 1582604 |
| Page Count | 5 |
| File Format | |
| e-ISBN | 9781467379991 |
| DOI | 10.1109/ICEPT.2015.7236748 |
| Language | English |
| Publisher | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Publisher Date | 2015-08-11 |
| Publisher Place | China |
| Access Restriction | Subscribed |
| Rights Holder | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Subject Keyword | Reliability Heating Acceleration Testing Computers Pollution measurement reliability Lifetest Lifetest system high-power semiconductor laser diodes |
| Content Type | Text |
| Resource Type | Article |
National Digital Library of India (NDLI) is a virtual repository of learning resources which is not just a repository with search/browse facilities but provides a host of services for the learner community. It is sponsored and mentored by Ministry of Education, Government of India, through its National Mission on Education through Information and Communication Technology (NMEICT). Filtered and federated searching is employed to facilitate focused searching so that learners can find the right resource with least effort and in minimum time. NDLI provides user group-specific services such as Examination Preparatory for School and College students and job aspirants. Services for Researchers and general learners are also provided. NDLI is designed to hold content of any language and provides interface support for 10 most widely used Indian languages. It is built to provide support for all academic levels including researchers and life-long learners, all disciplines, all popular forms of access devices and differently-abled learners. It is designed to enable people to learn and prepare from best practices from all over the world and to facilitate researchers to perform inter-linked exploration from multiple sources. It is developed, operated and maintained from Indian Institute of Technology Kharagpur.
Learn more about this project from here.
NDLI is a conglomeration of freely available or institutionally contributed or donated or publisher managed contents. Almost all these contents are hosted and accessed from respective sources. The responsibility for authenticity, relevance, completeness, accuracy, reliability and suitability of these contents rests with the respective organization and NDLI has no responsibility or liability for these. Every effort is made to keep the NDLI portal up and running smoothly unless there are some unavoidable technical issues.
Ministry of Education, through its National Mission on Education through Information and Communication Technology (NMEICT), has sponsored and funded the National Digital Library of India (NDLI) project.
| Sl. | Authority | Responsibilities | Communication Details |
|---|---|---|---|
| 1 | Ministry of Education (GoI), Department of Higher Education |
Sanctioning Authority | https://www.education.gov.in/ict-initiatives |
| 2 | Indian Institute of Technology Kharagpur | Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project | https://www.iitkgp.ac.in |
| 3 | National Digital Library of India Office, Indian Institute of Technology Kharagpur | The administrative and infrastructural headquarters of the project | Dr. B. Sutradhar bsutra@ndl.gov.in |
| 4 | Project PI / Joint PI | Principal Investigator and Joint Principal Investigators of the project |
Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon |
| 5 | Website/Portal (Helpdesk) | Queries regarding NDLI and its services | support@ndl.gov.in |
| 6 | Contents and Copyright Issues | Queries related to content curation and copyright issues | content@ndl.gov.in |
| 7 | National Digital Library of India Club (NDLI Club) | Queries related to NDLI Club formation, support, user awareness program, seminar/symposium, collaboration, social media, promotion, and outreach | clubsupport@ndl.gov.in |
| 8 | Digital Preservation Centre (DPC) | Assistance with digitizing and archiving copyright-free printed books | dpc@ndl.gov.in |
| 9 | IDR Setup or Support | Queries related to establishment and support of Institutional Digital Repository (IDR) and IDR workshops | idr@ndl.gov.in |
|
Loading...
|