Compact wavelength monitor for remote sensing applications suitable to precisely measure the wavelength of individual laser pulses

Tobias Staudt; Peter Kiesel; Joerg Martini; Noble M. Johnson; Chris Urbina; Edward Burlbaw

doi:10.1117/12.2017959

31 May 2013 Compact wavelength monitor for remote sensing applications suitable to precisely measure the wavelength of individual laser pulses

Tobias Staudt, Peter Kiesel, Joerg Martini, Noble M. Johnson, Chris Urbina, Edward Burlbaw

Author Affiliations +

Proceedings Volume 8720, Photonic Applications for Aerospace, Commercial, and Harsh Environments IV; 87200P (2013) https://doi.org/10.1117/12.2017959
Event: SPIE Defense, Security, and Sensing, 2013, Baltimore, Maryland, United States

Abstract

A compact and fast-response wavelength monitor is described that can determine the wavelength of individual laser pulses with a resolution of a few pm. It combines a position-sensitive photo detector with an optical coating that converts the wavelength information of the incident light into a spatial intensity distribution on the photo detector. Differential read-out of the photo detector is used to determine the centroid of this distribution. Wavelength change between individual laser pulses is detected as a shift of the centroid of the spatial light distribution on the detector. The wavelength monitor is demonstrated with results from a wavelength-tunable fiber laser that can produce randomly accessible sequences of laser pulses.

Citation Download Citation

Tobias Staudt, Peter Kiesel, Joerg Martini, Noble M. Johnson, Chris Urbina, and Edward Burlbaw "Compact wavelength monitor for remote sensing applications suitable to precisely measure the wavelength of individual laser pulses", Proc. SPIE 8720, Photonic Applications for Aerospace, Commercial, and Harsh Environments IV, 87200P (31 May 2013); https://doi.org/10.1117/12.2017959

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