Visible supercontinuum generation from a tunable mid-infrared laser

Christopher B. Marble; Sean P. O'Connor; Dawson T. Nodurft; Vladislav V. Yakovlev; Andrew W. Wharmby

doi:10.1117/12.2291283

15 February 2018 Visible supercontinuum generation from a tunable mid-infrared laser

Christopher B. Marble, Sean P. O'Connor, Dawson T. Nodurft, Vladislav V. Yakovlev, Andrew W. Wharmby

Proceedings Volume 10516, Nonlinear Frequency Generation and Conversion: Materials and Devices XVII; 105160K (2018) https://doi.org/10.1117/12.2291283
Event: SPIE LASE, 2018, San Francisco, California, United States

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.

Conference Presentation

Citation Download Citation

Christopher B. Marble, Sean P. O'Connor, Dawson T. Nodurft, Vladislav V. Yakovlev, and Andrew W. Wharmby "Visible supercontinuum generation from a tunable mid-infrared laser", Proc. SPIE 10516, Nonlinear Frequency Generation and Conversion: Materials and Devices XVII, 105160K (15 February 2018); https://doi.org/10.1117/12.2291283

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