Compact narrow-linewidth optical parametric oscillation amplifier
A technology of optical parametric oscillation and narrow line width, which is applied in the field of optical instruments and can solve the problems of using multiple components, single components, and redundant structures.
Inactive Publication Date: 2020-04-17
ZHEJIANG DEYANG TECH INSTR CO LTD
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Problems solved by technology
[0003] However, due to the current combined design of the oscillator (OPO) and amplifier (OPA), most of them are relatively simple, their structure is relatively complicated, and many components are used, resulting in the generation of pump light and target light (signal light and first astigmatism), Separation and utilization routes are not reasonable enough
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[0019] In order to more clearly illustrate the embodiments of the present invention and the technical solutions in the prior art, the specific implementation manners of the present invention will be described below with reference to the accompanying drawings. Obviously, the accompanying drawings in the following description are only some embodiments of the present invention, and those skilled in the art can obtain other accompanying drawings based on these drawings and obtain other implementations. In addition, the affiliation related to the orientation only indicates the relative positional relationship between the components, not the absolute positional relationship.
[0020] see figure 1 . A compact narrow-linewidth optical parametric oscillator amplifier according to an embodiment of the present invention includes a light source 1 for providing pump light, and a half-wave for changing the polarization form of the pump light and simultaneously obtaining horizontally polar...
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The invention provides a compact narrow-linewidth optical parametric oscillation amplifier. The amplifier comprises a light source used for providing pump light, a half-wave plate used for changing the polarization form of the pump light and obtaining horizontally polarized and vertically polarized pump light at the same time, an oscillation part used for generating target light, a conversion partused for converting the horizontally polarized pump light into vertically polarized pump light, and an amplification part used for amplifying the target light; and a Glan prism which is used for respectively separating horizontally polarized and vertically polarized pump light from the light source to the conversion part and the oscillation part for processing, and the Glan prism can also receivethe pump light and the target light which are processed by the conversion part and the oscillation part at the same time and provide the pump light and the target light to the amplification part together; and a beam splitter used for selectively outputting the target light or the pump light. Through reasonable layout design, separation and conversion of the pump light are ingeniously realized, and gain of the target light is effectively realized.
Description
technical field [0001] The invention relates to the technical field of optical instruments, in particular to a compact narrow-linewidth optical parametric oscillator amplifier. Background technique [0002] An optical parametric oscillator is a parametric oscillator that oscillates at an optical frequency. It converts the input laser light (the so-called pump light) into two lower frequency output lights (signal light and idler light) through the second-order nonlinear optical interaction, the sum of the frequencies of the two output lights equal to the input optical frequency. Optical parametric amplification means that a beam of high-frequency light and a beam of low-frequency light enter the nonlinear medium at the same time, and the low-frequency light in the outgoing light is amplified due to the difference frequency effect. This phenomenon is called optical parametric amplification. In the field of optics, these techniques are often used to convert or amplify the pum...
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Login to View More IPC IPC(8): G02F1/39H01S3/08H01S3/106
CPCG02F1/39H01S3/08009H01S3/106G02F1/392
Inventor 朱勇波
Owner ZHEJIANG DEYANG TECH INSTR CO LTD