Creation and Investigation of a SESAM and DSAM Mirrors for Yb:KYW Laser

A stable passive mode-locking regime for a Yb:KYW laser using two types of optical shutter was obtained. The first type was a SESAM and the second type was based on the same type saturable absorber with a dielectric reflector DSAM. The typical parameters of the mode-locking regime were as follows: a...

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Bibliographic Details
Main Authors: Kuznetsov, S. A., Pivtsov, V. S., Kovalyov, A. A., Ledovskikh, D. V., Borisov, G. M., Preobrazhenskii, V. V., Putyato, M. A., Semyagin, B. R., Rubtsova, N. N.
Format: Conference Proceeding
Language:English
Subjects:
optical properties of nanoscale materials
quantum wells
ytterbium laser
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Summary:A stable passive mode-locking regime for a Yb:KYW laser using two types of optical shutter was obtained. The first type was a SESAM and the second type was based on the same type saturable absorber with a dielectric reflector DSAM. The typical parameters of the mode-locking regime were as follows: a pulse duration of about 200 fs for both types of shutter, an average power of 2.54 W for SESAM and 0.92 W for the DSAM. The efficiency relative to the incident pump power was 57% for the SESAM and 19% for the DSAM. The mirror damage threshold estimate for the SESAM was at least 8.9 mJ cm −2 .
ISSN:2642-5580
DOI:10.1109/ICLO48556.2020.9285889