Calibration method for synthesizing far field through single detector to improve double-beam synthesis precision and pointing accuracy
A technology with single detector and synthetic precision, which is applied in the field of optical engineering, can solve problems such as unrealistic and large detector dimensions, and achieve the effects of ensuring identity, avoiding thermal drift, and ensuring closed-loop accuracy
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[0026] The present invention will be described in detail below in conjunction with the accompanying drawings and specific embodiments.
[0027] Such as figure 1 The first beam of light emitted by the first laser 1-9 shown passes through the first tunable mirror 1-1, the first transmission mirror 1-2, the second transmission mirror 1-3, and then synthesizes the beam-splitting and combining mirror 1-4. The second beam of light emitted by the second laser 1-10 passes through the second tunable mirror 1-5 and the third transmission mirror 1-6 and enters the composite beam-splitting mirror 1-4. Most of the energy of the first beam of light is reflected as the main beam through the composite beam-splitter mirror 1-4, and a very small part of the energy is transmitted into the composite sensor 1-11 through the composite beam-splitter mirror 1-4 as the measurement beam; the second beam of light Most of the energy is transmitted as the main beam through the composite beam-splitting mi...
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