UV absorption wing enhanced refractive index changes observed in Yb:YAG and Yb:KGW

UV absorption wing enhanced refractive index changes observed in Yb:YAG and Yb:KGW

The authors confirmed the hypothesis that both excited-state absorption spectra in the near UV spectral domain and by performing new transient interferometric measurements, thus by using an He-Ne at 632 nm as a probe, but using the same kind of laser pump source for both experiments, i.e. a Q-switch...

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Hauptverfasser: Moncorge, R., Doualan, J.L., Camy, P., Eremeykin, O. N., Antipov, O. L.
Format: Tagungsbericht
Sprache:eng
Schlagworte:
Electromagnetic wave absorption
Laser excitation
Laser theory
Optical materials
Performance evaluation
Polarization
Probes
Pulse measurements
Pump lasers
Refractive index
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Beschreibung
Zusammenfassung:The authors confirmed the hypothesis that both excited-state absorption spectra in the near UV spectral domain and by performing new transient interferometric measurements, thus by using an He-Ne at 632 nm as a probe, but using the same kind of laser pump source for both experiments, i.e. a Q-switched Nd:YAG pumped OPO laser delivering 10 ns pulses of about 3 mJ around 970 nm. We also extended this investigation to the other well-known laser material Yb:KGW.
DOI:10.1109/CLEOE-IQEC.2007.4385807