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Title: VCSELs for Atomic Sensors.

Abstract

Abstract not provided.

Authors:
; ; ; ; ; ; ;
Publication Date:
Research Org.:
Sandia National Lab. (SNL-NM), Albuquerque, NM (United States)
Sponsoring Org.:
USDOE National Nuclear Security Administration (NNSA)
OSTI Identifier:
1268223
Report Number(s):
SAND2007-0681C
524112
DOE Contract Number:
AC04-94AL85000
Resource Type:
Conference
Resource Relation:
Conference: Proposed for presentation at the SPIE Photonics West 2007 held January 24-25, 2007 in San Jose, CA.
Country of Publication:
United States
Language:
English

Citation Formats

Serkland, Darwin K, Geib, Kent M., Peake, Gregory Merwin, Lutwak, Robert, Rashed, Ahmed, Varghese, Mathew, Tepolt, Gary, and Prouty, Mark. VCSELs for Atomic Sensors.. United States: N. p., 2007. Web.
Serkland, Darwin K, Geib, Kent M., Peake, Gregory Merwin, Lutwak, Robert, Rashed, Ahmed, Varghese, Mathew, Tepolt, Gary, & Prouty, Mark. VCSELs for Atomic Sensors.. United States.
Serkland, Darwin K, Geib, Kent M., Peake, Gregory Merwin, Lutwak, Robert, Rashed, Ahmed, Varghese, Mathew, Tepolt, Gary, and Prouty, Mark. Thu . "VCSELs for Atomic Sensors.". United States. doi:. https://www.osti.gov/servlets/purl/1268223.
@article{osti_1268223,
title = {VCSELs for Atomic Sensors.},
author = {Serkland, Darwin K and Geib, Kent M. and Peake, Gregory Merwin and Lutwak, Robert and Rashed, Ahmed and Varghese, Mathew and Tepolt, Gary and Prouty, Mark},
abstractNote = {Abstract not provided.},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {Thu Feb 01 00:00:00 EST 2007},
month = {Thu Feb 01 00:00:00 EST 2007}
}

Conference:
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  • Optocouplers are used for a variety of applications aboard spacecraft including electrical isolation, switching and power transfer. Commercially available light emitting diode (LED)-based optocouplers have experienced severe degradation of light output due to extensive displacement damage occurring in the semiconductor lattice caused by energetic proton bombardment. A new optocoupler has been designed and fabricated which utilizes vertical cavity surface emitting laser (VCSEL) and resonant cavity photodetector (RCPD) technologies for the optocoupler emitter and detector, respectively. Linear arrays of selectively oxidized GaAs/AlGaAs VCSELS and RCPDS, each designed to operate at a wavelength of 850nm, were fabricated using an airbridge contacting scheme.more » The airbridged contacts were designed to improve packaging yields and device reliability by eliminating the use of a polyimide planarizing layer which provided poor adhesion to the bond pad metallization. Details of the airbridged optocoupler fabrication process are reported. Discrete VCSEL and RCPD devices were characterized at temperatures between {minus}100 to 100 C. Devices were packaged in a face-to-face configuration to form a single channel optocoupler and its performance was evaluated under conditions of high-energy proton bombardment.« less