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Self-calibration optical axis parallelism detector and detection method

A detector and parallelism technology, which is applied in the multi-optical system self-calibration optical axis parallelism detector and detection field, can solve the problems that there is no calibration reference and the parallelism of the beam is difficult to guarantee, etc.

Inactive Publication Date: 2016-03-23
CHANGCHUN INST OF OPTICS FINE MECHANICS & PHYSICS CHINESE ACAD OF SCI
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Problems solved by technology

The disadvantage of this method is that the two beams are calibrated separately through two optical elements, namely the calibration reflector and the pyramidal prism, so that the two beams of light do not have a unified calibration reference, and the parallelism of the beams is difficult to guarantee.

Method used

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  • Self-calibration optical axis parallelism detector and detection method
  • Self-calibration optical axis parallelism detector and detection method
  • Self-calibration optical axis parallelism detector and detection method

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Embodiment Construction

[0017] The present invention will be described in further detail below in conjunction with the accompanying drawings and embodiments.

[0018] Such as figure 1 As shown, the self-calibrating optical axis parallelism detector includes: main support guide rail 1, moving guide rail 2, plane deflection mirror 3, flat ruler mirror 4, two-dimensional adjustment mechanism for flat ruler mirror 5, half Anti-transflective plane mirror 6, transflective plane mirror slider 7, autocollimator 8, replaceable reflective collimator 9 and plane deflection mirror slider 10; transflective plane mirror 6 and plane deflection reflection The mirror 3 is installed on the upper surface of the main support rail 1, and can slide arbitrarily on the main support rail 1 through the semi-reflective and semi-transparent plane mirror slider 7 and the plane deflection mirror slider 10, forming an angle of 45 degrees with the main axis of the main support rail 1 ; The moving guide rail 2 is fixedly installed ...

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Abstract

The invention discloses a self-calibration optical axis parallelism detector and a detection method, and belongs to the technical field of optical instrument detection. A standard calibration reflector employed in the invention is a rectangular leveling ruler reflector, replaces a conventional shorter reflector or conical prism, and can covers light beams from a semi-reflecting and semi-transmitting plane mirror and a plane turning reflector, thereby enabling two light beams to be calibrated through the same reference, and achieving a high-precision purpose. The detector provided by the invention enables the light beams to be able to be adjusted continuously in a range from 200 mm to 900 mm, and enables the parallelism of the light beams to be able to be adjusted in real time, wherein the parallelism precision is determined by the measurement precision of an autocollimator. Moreover, the measurement precision of the autocollimator can be traced to a national metrology institute. The detector meets the requirements of portable, multifunctional and high-precision application.

Description

technical field [0001] The invention belongs to the technical field of optical instrument inspection, and relates to a multi-optical system self-calibrating optical axis parallelism detector and a detection method. Background technique [0002] Multi-sensor photoelectric equipment, such as various large-scale photoelectric theodolites, have multiple optical systems such as infrared, visible sensors and laser ranging, and capture, track and measure the same target. In order to ensure the consistency of the measurement results, the optical axes of multiple optical systems must be parallel. The optical axis parallelism tester is the instrument used to complete the optical axis parallelism inspection of multi-sensor photoelectric equipment. The structure of this inspection equipment is It may be ever-changing, but in the end, two or more parallel beams are formed as the benchmark for inspection to verify the parallelism error between the optical axes of the tested equipment. The...

Claims

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Application Information

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IPC IPC(8): G01M11/02
CPCG01M11/02
Inventor 叶露
Owner CHANGCHUN INST OF OPTICS FINE MECHANICS & PHYSICS CHINESE ACAD OF SCI
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