NDLI: High-brightness 946 nm Nd:YAG planar waveguide laser

Content Provider	IEEE Xplore Digital Library
Author	Ng, S.P. Mackenzie, J.I.
Copyright Year	2011
Description	Author affiliation: Optoelectronics Research Centre, University of Southampton, Highfield, SO17 1BJ, United Kingdom (Ng, S.P.; Mackenzie, J.I.)
Abstract	Planar waveguide (PW) lasers offer several advantages over their bulk counterparts, such as strong optical confinement providing high gain and low threshold, and excellent thermal management characteristics [1]. This is especially true for laser transitions that suffer reabsorption loss and have relatively weak gain cross sections, such as neodymium's quasi-four-level $(^{4}F)$ transition. Our interest in lasers operating on this transition lies in their potential to be upconverted into the blue-green part of the visible spectrum for various applications ranging from display technologies to life-science diagnostics. Nd:YAG is generally considered to be one of the best materials for lasers operating on this transition, however it has several challenging characteristics that have thus far limited high-brightness laser operation in the tens of Watts regime; such as gain competition with the stronger 4-level $^{4}F$ transition, low-brightness pump-sources, and above all detrimental thermally-induced aberrations in the host material. While 15W has been produced from an end-pumped rod laser [2], 25W from a thin-disk [3], and 105 W [4] from the same PW structure as reported here, the brightness of these lasers is significantly lower than that of a few Watts in a diffraction-limited beam. In this work, we discuss the radiance scaling potential of a Nd:YAG PW using an extended stable-resonator configuration.
Starting Page	1
Ending Page	1
File Size	156677
Page Count	1
File Format	PDF
ISBN	9781457705335
e-ISBN	9781457705328
DOI	10.1109/CLEOE.2011.5942430
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2011-05-22
Publisher Place	Germany
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Photonics
Content Type	Text
Resource Type	Article

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

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