FREQUENCY LOCKING OF A ND-YAG LASER USING THE LASER ITSELF AS THE OPTICAL-PHASE MODULATOR

被引:40
作者
CANTATORE, G
DELLAVALLE, F
MILOTTI, E
PACE, P
ZAVATTINI, E
POLACCO, E
PERRONE, F
RIZZO, C
ZAVATTINI, G
RUOSO, G
机构
[1] IST NAZL FIS NUCL, I-34127 TRIESTE, ITALY
[2] IST NAZL FIS NUCL, I-56010 SAN PIERO A GRADO, ITALY
[3] DIPARTIMENTO FIS, I-56100 PISA, ITALY
[4] LAB INFN, AREA RIC, I-34012 TRIESTE, ITALY
[5] DIPARTIMENTO FIS G GALILEI, I-35131 PADUA, ITALY
[6] IST NAZL FIS NUCL, LAB NAZL LEGNARO, I-35020 LEGNARO, ITALY
关键词
D O I
10.1063/1.1145555
中图分类号
TH7 [仪器、仪表];
学科分类号
0804 ; 080401 ; 081102 ;
摘要
We report frequency locking of a Nd:YAG tunable laser to a 2000 finesse 87-cm-long Fabry-Pérot cavity in air using the Pound-Drever technique. The novelty is that the necessary phase modulation of the beam is obtained using the laser directly instead of an external phase modulator (Pockels cell). The spurious relative amplitude modulation using this method was ∼3×10-5 with a modulation index β∼1 and the spectral density of the frequency difference between the laser and the cavity is below 1 mHz/√Hz in the region 1-500 Hz. © 1995 American Institute of Physics.
引用
收藏
页码:2785 / 2787
页数:3
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