The Effect of a Transient Thermal Lens on the Nd:YVO4 Laser Output

Title
The Effect of a Transient Thermal Lens on the Nd:YVO4 Laser Output
Author(s)
이종훈권진혁이강인 [이강인 ]김영중[김영중]
Keywords
YTTRIUM-ALUMINUM-GARNET; END-PUMPED LASERS; YAG LASER; POWER; INTERFEROMETRY; OPTIMIZATION; CRYSTAL
Issue Date
201001
Publisher
KOREAN PHYSICAL SOC
Citation
JOURNAL OF THE KOREAN PHYSICAL SOCIETY, v.56, no.1, pp.214 - 218
Abstract
A Nd:YVO4 laser was pumped by using a diode laser, which has maximum cw pump power of I W. The driving current of the diode laser was modulated to have a square waveform. The Nd:YVO4 laser output power increased linearly and then saturated when the quasi-cw diode laser pulse was focused on the crystal. When the same diode laser pulse was applied on the crystal, transient thermal lensing in the Nd:YVO4 crystal was monitored by using a probe beam in a non-lasing condition. The TEM00 mode diameter of the laser was calculated as a function of the focal length of the thermal lens. The results indicated that transient; thermal lensing in the crystal was the main cause of the temporally-varying output.
URI
http://hdl.handle.net/YU.REPOSITORY/23048http://dx.doi.org/10.3938/jkps.56.214
ISSN
0374-4884
Appears in Collections:
이과대학 > 물리학과 > Articles
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