Frequency Stabilization of LD-pumped YAG Lasers for Gravitational Wave Detection.
نویسندگان
چکیده
منابع مشابه
Stabilized lasers for advanced gravitational wave detectors
Second generation gravitational wave detectors require high power lasers with more than 100 W of output power and with very low temporal and spatial fluctuations. To achieve the demanding stability levels required, low noise techniques and adequate control actuators have to be part of the high power laser design. In addition feedback control and passive noise filtering is used to reduce the flu...
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Abstrucr-Two-diode laser-pumped Nd : YAG lasers have been frequency stabilized to a commercial 6.327 GHz free spectral range Fabry-Perot interferometer yielding a best-case beatnote linewidth of 330 mHz. In addition, a Fabry-Perot interferometer with a free spectral range of 680 MHz, a linewidth of 25 kHz, and a finesse of 27 500 has been built and when it was substituted in place of the commer...
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Diode-laser-pumped Nd:YAG lasers were frequency stabilized by locking their frequency-doubled output to Doppler-free absorption lines of the (127)I(2) molecule. The successive two-sample deviation of the beat frequency between two independent iodine-stabilized lasers is less than 650 Hz, or 2.3 x 10(-12) of the laser frequency, for averaging times between 24 and 80 s.
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A first international comparison of I2-stabilized Nd : YAG lasers has been made between the National Research Laboratory of Metrology (NRLM), Tsukuba, Japan, the Joint Institute for Laboratory Astrophysics JILA (formerly the Joint Institute for Laboratory Astrophysics), Boulder, CO, the National Institute of Standards and Technology (NIST), Boulder, and the University of Colorado, Boulder. The ...
متن کاملPressure effects on the frequency of continuous-wave optically pumped far-infrared lasers.
The frequency of the 170.6-microm cw CH(3)OH optically pumped laser emission has been remeasured at different pressures without observing the pressure shift observed by Lawandy and Koepf [Opt. Lett. 5, 383 (1980)]. The far-infrared frequency was synthesized with two stabilized CO(2) lasers. No measurable pressure shift over the operating pressure range of the laser was observed, and the frequen...
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ژورنال
عنوان ژورنال: The Review of Laser Engineering
سال: 1993
ISSN: 0387-0200,1349-6603
DOI: 10.2184/lsj.21.859