Laser bar and cavity integrating method and structure
A technology of lasers and laser crystals, which is applied to lasers, laser components, phonon exciters, etc., can solve the problems of wide application limitations of lasers, poor ability to resist mechanical structure deformation and mechanical vibration, and affect the working characteristics of lasers. Strong resistance to thermal change of mechanical structure, strong resistance to air disturbance, and small temperature rise at both ends
Inactive Publication Date: 2004-01-07
ANHUI INST OF OPTICS & FINE MECHANICS - CHINESE ACAD OF SCI
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Problems solved by technology
Improper adjustment of the resonator will seriously affect the working characteristics of the laser
At the same time, due to the separation of components, the ability of the system to resist mechanical structure deformation and mechanical vibration is poor, which limits the wide application of lasers.
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[0026] See Figure 1. The present invention includes a laser rod 1 doped with laser-activated ions, the crystal of which is Nd:YAG or Yb:YAG, and the two ends of the laser rod 1 are respectively bonded at high temperature with the same matrix crystal YAG rods 2 and 3 that are not doped with laser-activated ions. , forming two end caps that are optically machined and then coated. The end face of the A end cap is coated with a total reflection film for emitting laser light L to the laser itself, and an anti-reflection film for the pump light P is coated on the end face of the B end cap. Rear endoscopy and anterior endoscopy.
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This invention discloses an integral method and its structure for a laser rod cavity including bonding common host crystals of unmixed laser active ion on one or two ends of mixed laser active ion laser crystal by heat to form two end caps to be filmed after optical process. The common host crystal of mixed laser rod crystal and unmixed laser active ions can be: Nd: YAG and unmixed YAG, Yb: YAG and unmixed YAG, Nd, GdVO4 and unmixed GdVO4, Yb:GdVO4 a and unmixed GdVO4, Lateral pump rod-cavity integral laser elements and end face pump rod-cavity integral laser elements can be processed according to different needs by filming, realizing the integral of resonant cavity and its working subjects.
Description
technical field [0001] The invention relates to the field of all-solidification lasers, in particular to a laser with an integrated rod and cavity. Background technique [0002] Optical resonator and laser working substance are the most important components of laser. A working substance is a material capable of producing stimulated light. A resonant cavity is an optical cavity in which photons can oscillate back and forth and realize frequency selection and mode limitation. [0003] The optical cavity of a traditional solid-state laser is mainly composed of a total reflection mirror and a partial reflection mirror. Usually, the two reflectors are separated from the laser working substance, or one of the reflectors is separated from the laser working substance, and one end of the laser rod is coated to become a reflective mirror of the resonant cavity. [0004] When such a laser is working, it is necessary to adjust the resonator. Since the parallelism of the resonator mi...
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IPC IPC(8): H01S3/00H01S3/05H01S3/16
Inventor 殷绍唐王爱华张庆礼肖敬忠陈长水黄朝红仇怀利黄明伟
Owner ANHUI INST OF OPTICS & FINE MECHANICS - CHINESE ACAD OF SCI
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