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High recurrence rate titanium jewel twitter pulse regeneration amplifier without brodening apparatus

A regenerative amplifier and chirped pulse technology, which is applied to lasers, phonon exciters, laser components, etc., can solve the problems of bulky lasers and difficult maintenance, achieve good beam quality, stable performance, and overcome optical damage.

Inactive Publication Date: 2003-04-16
XI'AN INST OF OPTICS & FINE MECHANICS - CHINESE ACAD OF SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] Traditional high repetition rate Ti:Sapphire chirped pulse regeneration amplifiers all adopt the structure of femtosecond oscillator, stretcher, amplifier, and compressor to avoid optical damage, which also leads to the disadvantages of bulky and difficult maintenance of this type of laser

Method used

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  • High recurrence rate titanium jewel twitter pulse regeneration amplifier without brodening apparatus
  • High recurrence rate titanium jewel twitter pulse regeneration amplifier without brodening apparatus

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0011] exist figure 1 Among them, the high repetition rate Ti:sapphire chirped pulse regeneration amplifier without a stretcher in this embodiment is composed of a green light pump source 1, a focusing lens 2, a front concave mirror 3, a Ti:sapphire crystal 4, a rear concave mirror 5, and an upper end surface Plane reflector 6, film polarizer 7, lower end plane reflector 8, Pockels cell 9, output prism 10, light guiding reflector 11, converging prism 12, collimating dispersing prism 13, dispersing prism 14, beam splitter 15. Pockels cell control power supply 16, half-wave plate 17, dismantling angle plane mirror 18, isolator 19, photoelectric converter 20, beam guiding mirror 21, beam steering mirror 22, titanium sapphire oscillator 23, The mounting plate 24 is connected to form.

[0012] A green light pump source 1 is installed on one side of the first horizontal optical axis on the mounting plate 24, and a rear concave mirror 5 is installed on the other side. The wavelength...

Embodiment 2

[0017]In this embodiment, the radius of curvature of the focusing lens 2 is 200 mm, and the anti-reflection coating vacuum-evaporated on the surface of the focusing lens 2 is silicon dioxide and zirconium dioxide, and three layers are alternately deposited. The rear concave mirror 5 forms an included angle of 10° with the opposite direction of the first horizontal optical axis, the radius of curvature of the front concave mirror 3 and the rear concave mirror 5 is 100mm, and the vacuum on the front concave mirror 3 and the rear concave mirror 5 The vapor-deposited full-reflection film is silicon dioxide and zirconium dioxide, and 35 layers are alternately vapor-deposited. The length of the titanium sapphire crystal 4 is 4mm. The angle between the incident light and the positive direction of the second horizontal optical axis of the dismantling angle plane reflector 18 is 10°. , half-wave plate 17, dismantling angle plane reflector 18, beam guiding reflector 21, beam diverting ...

Embodiment 3

[0019] In this embodiment, the radius of curvature of the focusing lens 2 is 400 mm, and the anti-reflection coating vacuum-evaporated on the surface of the focusing lens 2 is silicon dioxide and zirconium dioxide, and 5 layers are alternately deposited. The rear concave mirror 5 forms an included angle of 20° with the direction of the first horizontal optical axis, the radius of curvature of the front concave mirror 3 and the rear concave mirror 5 is 600mm, and the vacuum on the front concave mirror 3 and the rear concave mirror 5 The vapor-deposited full-reflection film is silicon dioxide and zirconium dioxide, and 40 layers are alternately vapor-deposited. The length of the titanium sapphire crystal 4 is 20mm. The angle between the incident light and the positive direction of the second horizontal optical axis of the dismantling angle plane reflector 18 is 20°. , half-wave plate 17, dismantling angle plane reflector 18, beam guiding reflector 21, beam diverting reflector 2...

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Abstract

This invention relates to a high-repetition rate Ti precious stone chirped pulse regenerative amplifier without spreader in which a green light pump source, a rear concave mirror, a focusing lens, Tiprecious stone crystal and front concave lens are set along a horizontal shaft direction on the mounting plate, an angle folding plane reflector, low end face plane reflector, thin film polaroid, Puckle box, along the second horizontal optical axis, a light beam lead reflector, light conductive reflector, separator, beam splitter, half wave palte are set along the third horizontal optical axis and upper end face plane reflector, dispersion prism, accumulation prism, aligned dispersion prism, output prism light beam lead reflector, light beam converting reflector, photoelectric converter.

Description

technical field [0001] The invention belongs to the technical field of laser regenerative amplifiers, and in particular relates to a high repetition rate titanium sapphire chirped pulse regenerative amplifier without a stretcher. Background technique [0002] The continuous development and maturity of ultrashort laser pulse technology enables people to explore the process that occurs in a very short time, and has important application value in the fields of physics, chemistry, biology, and medicine. In particular, the femtosecond chirped pulse regenerative amplifier with a pulse width of around 100 femtoseconds and a single pulse energy at the microjoule level has a very important economic value in laser ultrafine processing, three-dimensional optical storage, and laser medicine. This has prompted more and more attention to femtosecond laser amplifiers with compact structure, small size and high stability. [0003] Traditional high-repetition-rate Ti:Sapphire chirped pulse ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01S3/00H01S3/10
Inventor 陈国夫程光华赵卫王屹山
Owner XI'AN INST OF OPTICS & FINE MECHANICS - CHINESE ACAD OF SCI
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