Full solid state picosecond laser regenerative amplifier

A technology for regenerative amplifiers and picosecond lasers, applied in lasers, laser components, phonon exciters, etc., can solve problems such as difficult and efficient use of pump light, and achieve insensitivity to thermal effects, good beam quality, The effect of structural stability

Active Publication Date: 2013-01-30
INST OF PHYSICS - CHINESE ACAD OF SCI +1
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  • Claims
  • Application Information

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Problems solved by technology

[0006] However, in the existing all-solid-state picosecond kilohertz regenerative amplifiers directly pumped by semiconductors, self-focusing occurs du

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  • Full solid state picosecond laser regenerative amplifier
  • Full solid state picosecond laser regenerative amplifier

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Embodiment Construction

[0029] In order to make the object, technical solution and advantages of the present invention more clear, the present invention will be further described in detail below in conjunction with specific embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.

[0030] This embodiment provides an all-solid-state picosecond laser regenerative amplifier, its structure is as follows figure 1 shown, including:

[0031] All-solid-state picosecond mode-locked laser oscillator 1, Nd:YVO 4 A mode-locked oscillator for providing horizontally polarized picosecond pulse seed light L1 with a wavelength of 1064nm, a pulse width of 15ps, a repetition rate of 89.3MHz, and a single pulse energy of 3.2nJ;

[0032] The first optical isolation system is suitable for isolating the amplified laser and the oscillator, preventing the amplified laser from returning to the oscillator and damaging...

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Abstract

The invention provides a full solid state picosecond laser regenerative amplifier which comprises a seed light source, an optical isolation system, a second polarization selecting lens (10), an electro-optical pockels cell (11), a first concave face reflector (13), a second concave face reflector (16), a laser crystal (15), a plane mirror (14) and a pump light source, wherein the seed light source is used for providing horizontal polarized seed light, the optical isolation system comprises a first polarization selecting lens (7), a Faraday rotator (8) and a half wave plate (9), and is set to be in a mode that horizontal polarized light becomes vertical polarized light after transmitting the optical isolation system, the second polarization selecting lens (10) is capable of transmitting horizontal polarized light and reflecting vertical polarized light, the electro-optical pockels cell (11) is set to be in a mode the polarized direction of light is rotated by 45 degrees after the light transmits the electro-optical pockels cell (11) once, the plane mirror (14) is used for reflecting seed light and transmitting pump light, and the pump light source is used for emitting pump light, enabling the pump light to penetrate the plane mirror (14) and condensing the pump light onto the laser crystal (15).

Description

technical field [0001] The invention belongs to the technical field of laser pulse amplification, in particular to an all-solid-state picosecond laser regenerative amplifier. Background technique [0002] Laser is one of the greatest inventions of the 20th century, which has an important and far-reaching impact on the development of human society. Since the first laser appeared in 1960, lasers have gone through the history of gas lasers, liquid lasers, semiconductor lasers, and all-solid-state lasers (DPL). With the development of all-solid-state lasers, the engineering, stability, volume, and lifetime of lasers have been greatly optimized. With the continuous expansion of applications of all-solid-state lasers in different fields, all-solid-state laser technology has become a major focus of laser technology research. direction. [0003] Picosecond lasers refer to output pulse widths in the order of picoseconds to hundreds of picoseconds (10 -12 ~10 -10 s) ultrashort pul...

Claims

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Application Information

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IPC IPC(8): H01S3/16H01S3/0941H01S3/107
Inventor 魏志义王兆华王庆沈忠伟樊仲维麻云凤
Owner INST OF PHYSICS - CHINESE ACAD OF SCI
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