Transient Thermal Lensing at 1kHz Repetition Rate in a Cryogenically-Cooled High Average Power Ti:sapphire Amplifier

With 2D spectral interferometry we characterize the transient thermal lensing in a liquid-nitrogen cooled cryostat designed for high thermal load. Even though the repetition rate is 1kHz, we observe substantial cooling between shots.

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Bibliographic Details
Published in2007 Conference on Lasers and Electro-Optics (CLEO) pp. 1 - 2
Main Authors Durfee, C.G., Childress, C., Amir, W., Planchon, T., Squier, J.A., Zeamer, G.H.
Format Conference Proceeding
LanguageEnglish
Published IEEE 01.05.2007
Subjects
Cooling
Copper
High power amplifiers
Lenses
Optical amplifiers
Pump lasers
Temperature
Thermal conductivity
Thermal lensing
Thermal loading
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Summary:With 2D spectral interferometry we characterize the transient thermal lensing in a liquid-nitrogen cooled cryostat designed for high thermal load. Even though the repetition rate is 1kHz, we observe substantial cooling between shots.
ISSN:2160-9004
DOI:10.1109/CLEO.2007.4453290