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Large-angle deflection transceiving integrated optical fiber collimator

A fiber collimator and large-angle technology, applied in optics, instruments, optical components, etc., can solve problems such as increased volume and weight, restricted applications, and complex systems

Pending Publication Date: 2020-09-29
NAT UNIV OF DEFENSE TECH
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  • Description
  • Claims
  • Application Information

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Problems solved by technology

At present, the technical solution of gimbal + telescope is mainly used, the system is complicated, the volume and weight are large, which limits its application
It needs to carry more devices at the same time, which greatly increases the volume and weight of the whole system, which limits its application

Method used

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  • Large-angle deflection transceiving integrated optical fiber collimator
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  • Large-angle deflection transceiving integrated optical fiber collimator

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Experimental program
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Effect test

Embodiment 2

[0050] The difference between embodiment 2 and embodiment 1 is that the rotating double prism in embodiment 2 also includes controller 11, and displacement sensor, speed sensor, acceleration sensor and each torque motor are all connected controller 11, and displacement sensor, speed sensor, acceleration The sensor transmits the collected signal to the controller, and the controller controls the work of each torque motor. Those skilled in the art can also carry out a more optimized design of the controller. For example, the controller can also be used to calculate the corresponding relationship between the rotation angle of 1# prism and 2# prism and the direction of the emitted beam in real time, and generate a corresponding control signal to send to the prism drive mechanism. The controller can be developed using data processing chips such as DSP and FPGA, or commercial electronic computers. The controller can also receive the target position information sent by the external ...

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Abstract

The invention discloses a large-angle deflection transceiving integrated optical fiber collimator, which comprises a camera, a central light blocking mirror, a dichroic mirror, a collimating lens anda rotary biprism, wherein optical fiber outputs laser and transmits the laser to the dichroic mirror, the laser reflected by the dichroic mirror is output to the collimating lens to be collimated intoparallel light, the parallel light as emitted light is emitted to a target through the rotary biprism, the target scattered / reflected light from a target serves as target detection light to be reversely transmitted along an original light path, the target scattered / reflected light enters the collimating lens through the rotary biprism, is focused, then enters the dichroic mirror and is output tothe central light blocking mirror through the dichroic mirror, the light emitted to the center of the central light blocking mirror is blocked by the central light blocking mirror, the light emitted to the edge of the central light blocking mirror is transmitted out and then enters a camera, the camera is located on the focal plane of the transmitted light, and imaging detection of a target is achieved. According to the invention, the functions of optical fiber laser emission, large-angle deflection, target imaging and the like can be realized, and the device has a wide application prospect inthe field of laser long-distance transmission.

Description

technical field [0001] The invention relates to the technical field of high-power fiber laser devices, in particular to a large-angle deflection and transceiver integrated fiber collimator. Background technique [0002] The existing fiber laser collimator is mainly used for collimation and beam expansion of the fiber output laser, and has a single function. In the field of long-distance laser transmission such as space optical communication, laser energy transmission, and laser obstacle removal, it is necessary to simultaneously realize multiple functions such as collimated emission of the beam, large-angle deflection, and target imaging. At present, the technical scheme of gimbal + telescope is mainly used, the system is complicated, the volume and weight are large, which limits its application. More devices need to be carried at the same time, which greatly increases the volume and weight of the entire system, which limits its application. Contents of the invention [...

Claims

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Application Information

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IPC IPC(8): G02B27/30G02B27/00G02B26/08
CPCG02B26/0891G02B27/00G02B27/30
Inventor 马阎星何锋许中杰陈景春杨家忠喻湘荣周朴司磊许晓军陈金宝
Owner NAT UNIV OF DEFENSE TECH
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