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Femtosecond laser pulse compression module

A femtosecond laser and pulse compression technology, applied in the field of femtosecond lasers, can solve the problems of large diffraction loss and low efficiency, and achieve the effect of meeting the pulse width requirement and high efficiency

Inactive Publication Date: 2015-12-23
HUBEI JIEXUN PHOTOELECTRIC
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  • Abstract
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  • Claims
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Problems solved by technology

[0004] The purpose of the present invention is to provide a femtosecond laser pulse compression module to solve the problems of large diffraction loss and low efficiency while solving the problem of spatial chirp.

Method used

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Embodiment Construction

[0030] The present invention will be further described below in conjunction with the accompanying drawings.

[0031] A femtosecond laser pulse compression module adopts a transmissive grating pair, a reflective component adopts a right-angle emitting prism, and the interval between the grating pair is adjustable, and the interval adjustment range is 0 to 10mm.

[0032] The pulse compression module sequentially includes a grating one 1 and a grating fixture one 3, a grating fixture two 4 and a grating fixture two 4, a right-angle emitting prism 6 and a prism fixing fixture; the grating one 1 in the transmissive grating pair is placed on the grating On the fixture one 3, the grating two 2 is placed on the grating fixture two 4, and the grating adjustment dimension table 5 is arranged at the bottom of the grating fixture two 4; the right-angle emitting prism 6 is placed on the prism fixing fixture.

[0033] The prism fixing fixture comprises a prism fixture 7 and a prism fixture ...

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Abstract

The present invention relates to a femtosecond laser pulse compression module. The femtosecond laser pulse compression module adopts the transmission-type grating pair, a reflecting assembly adopts a right angle emission prism, and the grating pair are spaced and adjustable. A pulse compression module comprises a grating 11, a grating clamp 13, a grating 22 and a grating clamp 24, the right angle emission prism 6 and a prism fixing clamp orderly. The femtosecond laser pulse compression module of the present invention adopts the transmission-type gratings, is high in efficiency, at the same time, the gratings are spaced and adjustable, so that the femtosecond pulse output of different pulse widths can be obtained, and the different pulse width demands can be satisfied.

Description

technical field [0001] The invention relates to a femtosecond laser, in particular to a femtosecond laser pulse compression module. Background technique [0002] Pulse compression is an important part of the femtosecond laser, which directly determines the pulse width output by the femtosecond laser. It uses the principle of grating dispersion to compensate the dispersion in the laser resonator, and has achieved the effect of compressing the pulse. By adjusting the two The interval of the grating can change its dispersion compensation amount, so that the pulse width compression ratio can be adjusted to obtain pulse outputs with different pulse widths. At the same time, when the light passes through the grating, there will be diffraction loss, which will affect the laser output power, and the loss of the reflective grating will be greater than that of the transmissive grating. [0003] The existing femtosecond laser pulse compression module technology is mostly a reflective ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01S3/1055G02B7/18G02B7/00
Inventor 闫明雪邹鹏陈鸿文
Owner HUBEI JIEXUN PHOTOELECTRIC
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