Computer Science
Scientific paper
Mar 2004
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2004cqgra..21s.881t&link_type=abstract
Classical and Quantum Gravity, Volume 21, Issue 5, pp. S881-S886 (2004).
Computer Science
2
Scientific paper
The future project for Japanese gravitational wave detection, called the large-scale cryogenic gravitational wave telescope (LCGT), requires a high-power laser with good beam quality. Two side-pumped Nd:YAG rod lasers are being developed for multi-stage injection locking. The intermediate-stage laser produced an output power of 30 W in a linear laser cavity configuration and 17 W in a ring cavity configuration. The ring cavity was designed to compensate for thermal birefringence by rotating the polarization at the Nd:YAG rod. The final-stage laser is aiming for 100 W output power. An output power of 60 W was obtained for the prototype laser in a linear cavity configuration and 39 W in a ring cavity configuration. The laser module contained two Nd:YAG rods and a quartz rotator in order to compensate for thermal birefringence.
Mio Norikatsu
Moriwaki Shigenori
Takeno Kohei
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