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Flexible hinge phase shifter

A technology of flexible hinges and phase shifters, which is applied in the direction of instruments, measuring devices, and optical devices, and can solve the problems of phase shift position deviation, short service life of phase shifters, and reduced recovery performance.

Pending Publication Date: 2020-10-30
SHANGHAI STEM YAO OPTICAL TECH CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The phase shifter is supported by a single point, which often causes deviations in the position of the phase shifter, and the recovery performance of the reset decreases over time, and the service life of the phase shifter is short

Method used

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Embodiment Construction

[0015] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention.

[0016] Such as Figure 1-2 As shown, the flexible hinge phase shifter includes a base 5 and a main body.

[0017] An actuator assembly is fixed on the base 5 . The actuator assembly is electrically connected to the wire harness, and the wire harness is connected to the wire harness connector. The wire harness connector is sleeved with a wire buckle 3, and the wire buckle 3 is fixed on the base. The actuator assembly includes several actuators 6 fixedly installed on the base through the first fastener 4, and the number of actuators 6 is an even number. The number of actuators is an even number of two or more, which is the best implementation method, mainly because s...

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Abstract

The invention discloses a flexible hinge phase shifter, which comprises a base and a main body, wherein an actuator assembly is fixed on the base; the actuator assembly is electrically connected witha wire harness, the wire harness is jointly connected with a wire harness connector, the wire harness connector is sleeved with a wire buckle, and the wire buckle is fixed to the base; the main body comprises a front main body and a rear main body; an elastic reset structure is installed between the opposite side surfaces of the front body and the rear body; the end part of the actuator assembly is fixedly connected to the rear main body; and a plurality of shielding blocks are arranged on the side surface of the front main body and are fixedly connected between the base and the front main body so as to achieve the fixed connection of the front main body and the base. According to the invention, stable and precise displacement is obtained in a multi-point supporting and synchronous phase shifting mode, rigid connection between the main body and the base is achieved through the structure of the flexible hinge, position deviation is avoided, the service life is greatly prolonged, enterprises are indirectly helped to reduce losses, and the working efficiency of an interferometer is improved.

Description

technical field [0001] The invention relates to the field of interferometer components, in particular to a flexible hinge phase shifter. Background technique [0002] At present, in the field of interferometer detection, it is more and more widely used to calculate the quality of the measured sample reflected by the interferometer fringes through computer algorithms. In the interferometric phase shifting algorithm, it is required to have a sub-micron displacement between the measured sample and the standard lens, and the displacement curve of each point on the end surface of the moved object is consistent, stable and recoverable. This is the role of the phase shifter. [0003] When the interferometer is calculated by software, it cannot obtain a stable, precise, and recoverable displacement, which often brings a large displacement error, resulting in a large difference between the final calculation result and the actual value, which ultimately affects the company's optimizat...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01B11/02G01B9/02
CPCG01B11/02G01B9/0201G01B9/02055
Inventor 汤明智
Owner SHANGHAI STEM YAO OPTICAL TECH CO LTD
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