Observation of nonlinear optical phenomena in fused silica and air using a 100 GW, 1.54 um source.
Journal Article
·
· Proposed for publication in Optics Express.
OSTI ID:951716
A 100-GW optical parametric chirped-pulse amplifier system is used to study nonlinear effects in the 1.54 {micro}m regime. When focusing this beam in air, strong third-harmonic generation (THG) is observed, and both the spectra and efficiency are measured. Broadening is observed on only the blue side of the third-harmonic signal and an energy conversion efficiency of 0.2% is achieved. When propagated through a 10-cm block of fused silica, a collimated beam is seen to collapse and form multiple filaments. The measured spectral features span 400-2100 nm. The spectrum is dominated by previously unobserved Stokes emissions and broad emissions in the visible.
- Research Organization:
- Sandia National Laboratories (SNL), Albuquerque, NM, and Livermore, CA (United States)
- Sponsoring Organization:
- USDOE
- DOE Contract Number:
- AC04-94AL85000
- OSTI ID:
- 951716
- Report Number(s):
- SAND2006-1010J; TRN: US200913%%26
- Journal Information:
- Proposed for publication in Optics Express., Journal Name: Proposed for publication in Optics Express.
- Country of Publication:
- United States
- Language:
- English
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