Collimating lens system for laser eye protection

Alex Ning; Jon D. Masso

doi:10.1117/12.17841

1 July 1990 Collimating lens system for laser eye protection

Alex Ning, Jon D. Masso

Proceedings Volume 1207, Laser Safety, Eyesafe Laser Systems, and Laser Eye Protection; (1990) https://doi.org/10.1117/12.17841
Event: OE/LASE '90, 1990, Los Angeles, CA, United States

Abstract

An optical system for laser eye protection application is presented. The optical device includes a first lens having a positive power of magnification a second lens having a negative power of magnification and a flat interference based reflector(s) between the two lenses. Incoming light rays are redirected by the lenses so that they pass through the interference filter at normal incidence. 1.

Citation Download Citation

Alex Ning and Jon D. Masso "Collimating lens system for laser eye protection", Proc. SPIE 1207, Laser Safety, Eyesafe Laser Systems, and Laser Eye Protection, (1 July 1990); https://doi.org/10.1117/12.17841

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