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Packaging method for integrated optical fiber interferometer module

An optical fiber interferometer and packaging method technology, applied in the field of interferometers, can solve the problems of inapplicability, high price, and complex systems of interferometer systems, achieve good anti-interference and robustness, reduce packaging prices, and expand the scope of application. Effect

Inactive Publication Date: 2019-01-08
SHANGHAI INST OF OPTICS & FINE MECHANICS CHINESE ACAD OF SCI
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  • Abstract
  • Description
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  • Application Information

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Problems solved by technology

This packaging system can effectively isolate external environmental disturbances, but the system is relatively complex, bulky, and expensive, and is not suitable for many scientific research or civil interferometer systems

Method used

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  • Packaging method for integrated optical fiber interferometer module

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Embodiment Construction

[0019] The present invention will be further described below in conjunction with examples and accompanying drawings, but the protection scope of the present invention should not be limited thereby.

[0020] Plating heat-insulating material on the surface of the first duralumin box 7, carry out the heat-insulating treatment of the first layer; Adopt the spring screw that the integrated optical fiber interferometer module 8 to be packaged is fixed in the duralumin box 7 that the surface is coated with heat-insulating material, to avoid Packaging applies stress to the integrated fiber interferometer module 8; the first duralumin box 7 of the packaged integrated fiber interferometer module 8 is fixed in the second duralumin box 5 with spring screws, and the The box 5 is filled with a grease-like material 6. The grease-like material 6 is a material with a melting point greater than 70°C, a density lower than 1.293g / L, and a low refractive index of 0, which can effectively isolate th...

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Abstract

The invention discloses an integrated interferometer module packaging method. The method uses an optical fiber lead-out tube, a hard aluminum box, a grease-like material, a hard aluminum box, a polyurethane material, a polyester film, a thermoplastic polymer and a hard aluminum chassis to package an integrated optical fiber interferometer module. The scheme of the invention combines a traditionalinterferometer packaging technology and an atom interferometer packaging technology for seismic wave detection, is based on the scheme of 'a box in a box in a box", effectively achieves thermal insulation, vibration isolation and sound insulation, achieves the purposes of stabilizing the internal air pressure of the interferometer and isolating the external humidity, further improves the performance of the integrated optical fiber interferometer module, and better satisfies the needs of relevant scientific research fields and engineering applications.

Description

technical field [0001] The invention relates to the technical field of interferometers, in particular to a packaging method for an integrated optical fiber interferometer module. This technology can be applied to optical fiber sensing, optical frequency transmission, high-resolution laser spectroscopy and other fields. Background technique [0002] Optical fiber interferometers have important applications in high-precision optical fiber sensing, coherent optical communication, optical frequency transmission, and high-precision spectral detection. In 2013, Yang Fei and others from the Shanghai Institute of Optics and Fine Mechanics of the Chinese Academy of Sciences proposed a device based on a 3×3 coupler-based Michelson interferometer for measuring laser noise characteristics (invention patent CN102353523 B), and found that the external environment disturbance will It will greatly affect the performance of the interferometer, thereby affecting the correctness of the measur...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01D3/036
CPCG01D3/036
Inventor 张茜杨飞冯子桐魏芳孙延光应康蔡海文瞿荣辉
Owner SHANGHAI INST OF OPTICS & FINE MECHANICS CHINESE ACAD OF SCI
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