Teaching physics with 670‐nm diode lasers—experiments with Fabry–Perot cavities
作者:
R. A. Boyd,
J. L. Bliss,
K. G. Libbrecht,
期刊:
American Journal of Physics
(AIP Available online 1996)
卷期:
Volume 64,
issue 9
页码: 1109-1116
ISSN:0002-9505
年代: 1996
DOI:10.1119/1.18330
出版商: American Association of Physics Teachers
关键词: SEMICONDUCTOR LASERS;FABRY−PEROT INTERFEROMETER;FREQUENCY MODULATION;LASER CAVITIES;EDUCATIONAL TOOLS;LABORATORY EQUIPMENT;01.50.P;42.
数据来源: AIP
摘要:
In a previous paper we described details of the construction of stabilized 670‐nm diode lasers for use in undergraduate physics laboratories. We report here a series of experiments that can be performed using the 670‐nm diode laser, a homemade scanning Fabry–Perot cavity, a helium–neon laser, a simple photodiode, and a few pieces of electronics hardware. The experiments include: (1) an introduction to the scanning confocal Fabry–Perot cavity, and to its use as an optical spectrum analyzer; (2) laser frequency modulation and observation of FM sidebands using the optical spectrum analyzer; and (3) the Pound–Drever method for servo‐locking a Fabry–Perot cavity to a laser. These experiments are relatively easy to set up and perform, yet they demonstrate a number of useful optical principles and experimental techniques.
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