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Optical dichroic element and optical dichroic module

A component and color separation technology, applied in the field of optical color separation components, can solve problems such as high cost, low yield, and complexity, and achieve the effect of improving accuracy

Inactive Publication Date: 2018-09-25
ELASER TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, today's wavelength multiplexers have a large number of components, which makes the manufacturing cost high and the yield rate low due to the complex configuration

Method used

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  • Optical dichroic element and optical dichroic module
  • Optical dichroic element and optical dichroic module
  • Optical dichroic element and optical dichroic module

Examples

Experimental program
Comparison scheme
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Embodiment Construction

[0049] figure 1 A schematic diagram showing an optical dichroic element according to an embodiment of the present invention. Please refer to figure 1 , in this embodiment, the optical dichroic element 100 can be applied to various devices that need to integrate light beams of different wavelengths into a single light beam, or can be applied as an element using optical signals of one or more wavelengths, such as Optical signal devices such as wavelength multiplexer, coarse wavelength division multiplexer (Coarse Wavelength Division Multiplexer, CWDM), high-density wavelength multiplexer (DenseWavelength Division Multiplexer, DWDM).

[0050] In this embodiment, the optical dichroic element 100 is suitable for combining the first light beam L1 and the second light beam L2 into a mixed light beam LB, wherein the first light beam L1 and the second light beam L2 have different wavelengths. The optical dichroic element 100 includes a light-transmitting element 140 , a first reflect...

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Abstract

An optical dichroic element adapted to combine first and second light beams into a mixed light beam is provided. The optical dichroic element includes a transparent element, a first reflector and a second reflector. The transparent element is adapted to let the first light beam and the second light beam pass through. The first reflector is disposed on the transparent element. The second reflectoris disposed on the transparent element. The first reflector is adapted to reflect the first light beam to the second reflector. The second reflector is adapted to reflect the first light beam and letthe second light beam pass through. The first reflector and the second reflector are opposite and not parallel to each other on the transparent element, and an included angle is provided between the first reflector and the second reflector. Moreover, an optical dichroic module is also provided.

Description

technical field [0001] The invention relates to an optical element, in particular to an optical color separation element. Background technique [0002] With the advancement of communication technology, communication methods are no longer limited to the use of electrical signals. In the current technological development, an optical communication technology that uses optical signals to realize signal transmission has been developed. Since the transmission rate and distance of light are much higher than that of electrons, optical communication has gradually become the mainstream of the market. Therefore, based on the demand for high bandwidth, the demand for optical transceiver modules capable of transmitting a large number of optical signals is increasing day by day. [0003] However, laying fiber optic cables capable of transmitting optical signals is relatively expensive. Therefore, in order to increase the optical signal that can be transmitted in an optical fiber, in ad...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G02B6/293G02B6/42
CPCG02B6/2938G02B6/4214G02B6/4215G02B6/29365G02B27/141G02B27/142
Inventor 郑祝良王继华
Owner ELASER TECH