Elastic stressing stress birefringence double-frequency laser
A stress birefringence, dual-frequency laser technology, applied in the field of helium-neon lasers, can solve the problems of difficulty in improving the resolution of the frequency difference of the laser, and cannot guarantee firm fixation, etc., and achieves the effect of improving the resolution of the afterburner and improving the control accuracy.
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[0020] figure 1 It is an embodiment of applying force to the stress element on the He-Ne laser, and the force is applied to the center of the element from two directions along a vertical line of the entire element. figure 2 It is an embodiment of lateral force on the boss on the stress element on the He-Ne laser. The boss on the element is actually obtained by processing a groove on an optical element. image 3 is the plan view of the force-bearing element.
[0021] figure 1 The middle element 1 is a helium-neon laser discharge tube. Element 2 is a mirror for the laser. Element 3 is the tube neck. 4 is a laser reflector, and 2 is a laser resonator. For example, the laser is a semi-external cavity structure, 4 is an anti-reflection window, 7 is another laser cavity mirror, and 2 forms a laser resonator. The dotted line indicates that the laser is not used for the whole inner cavity, and this component is used for the half outer cavity. 8 and 9 are a pair of bar-shaped p...
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