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Visible supercontinuum generation from a tunable mid-infrared laser
Author(s): Christopher B. Marble; Sean P. O'Connor; Dawson T. Nodurft; Vladislav Yakovlev; Andrew W. Wharmby
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Paper Abstract

Calcium fluoride, BK7 and fused silica are common optical materials used in lenses and windows. In this report, we discuss supercontinuum generation using tunable femtosecond mid-IR laser pulses with wavelengths ranging from 2.7 μm to 7.0 μm and pulse energies between 3 and 18 microjoules. We observed harmonic generation in fused silica and BK7, but not supercontinuum generation. Other borosilicate targets generated supercontinuum in both visible and near infrared regions of the spectrum. The visible supercontinuum was, in some instances, strong enough to be observed directly by the human eye. These results contribute to ongoing work being done to refine eye safety standards for femtosecond lasers.

Paper Details

Date Published: 15 February 2018
PDF: 15 pages
Proc. SPIE 10516, Nonlinear Frequency Generation and Conversion: Materials and Devices XVII, 105160K (15 February 2018); doi: 10.1117/12.2291283
Show Author Affiliations
Christopher B. Marble, Texas A&M Univ. (United States)
Sean P. O'Connor, Texas A&M Univ. (United States)
Engility Corp. (United States)
Dawson T. Nodurft, Texas A&M Univ. (United States)
Engility Corp. (United States)
Vladislav Yakovlev, Texas A&M Univ. (United States)
Andrew W. Wharmby, Air Force Research Lab. (United States)

Published in SPIE Proceedings Vol. 10516:
Nonlinear Frequency Generation and Conversion: Materials and Devices XVII
Konstantin L. Vodopyanov; Kenneth L. Schepler, Editor(s)

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