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Continuous light-beam frequency multiplier with photon crystal of linear material

A technology of photonic crystals and linear materials, applied in the direction of lasers, phonon exciters, laser components, etc., can solve the problems of not achieving complete laser frequency coverage and less nonlinear materials, and achieve integration, high conversion efficiency, and Improve coverage performance

Inactive Publication Date: 2008-07-16
INST OF OPTICS & ELECTRONICS - CHINESE ACAD OF SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Existing laser frequency doublers are usually made of nonlinear materials. The obvious disadvantage is that there are few types of nonlinear materials, and a nonlinear material can only work for a specific wavelength, so it is in The visible light band has not yet achieved complete coverage of laser frequencies

Method used

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  • Continuous light-beam frequency multiplier with photon crystal of linear material
  • Continuous light-beam frequency multiplier with photon crystal of linear material
  • Continuous light-beam frequency multiplier with photon crystal of linear material

Examples

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Embodiment Construction

[0020] The present invention will be further described below in conjunction with drawings and embodiments.

[0021] Such as figure 1 As shown, the present invention is composed of a light wave entrance 1, an exit opening 4, a metal shell 2, an internal crystal 3, and a substrate 5. The laser that needs frequency doubling is injected from the entrance 1, and the frequency is doubled by the internal crystal 3. After frequency doubling The laser light is output from the exit port 4 .

[0022] Such as figure 2 Shown is a schematic diagram of the H-H cross-sectional structure of the internal crystal 3 in Example 1 of the present invention, which is composed of a circular air hole photonic crystal 6, an air waveguide 10, a grating 7, a circular dielectric column 9, and a circular dielectric column photonic crystal 8. The unit cell All have a square structure, and the circular dielectric columns 9 are arranged in alignment. The circular air hole photonic crystal 6, the grating 7,...

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Abstract

The invention consists of light wave entrance port, exit port, metal case, inner crystal and base board. The inner crystal consists of rounded air holes photonic crystal, air wave-guide, grating, rounded medium column and rounded medium column photonic crystal. The air holes photonic crystal and medium column photonic crystal has different band gap structure. The inside of air wave guide has a grating structure. The rounded medium column is used to isolate wave guides. The grating, rounded medium column, rounded medium column photonic crystal and base material is composed of same non magnetic linear material. The incident wave and outgoing wave all are continuing laser.

Description

technical field [0001] The invention relates to a photonic crystal frequency multiplier, in particular to a continuous beam linear material laser frequency multiplier, which belongs to the technical field of laser frequency conversion. Background technique [0002] Laser is an extremely important light source, and it plays an increasingly widespread role in military affairs, scientific research, and daily life. However, the wavelengths of commonly used lasers are mostly in the near-infrared range, which obviously cannot meet the needs, such as mid-infrared lasers required in military affairs, far-infrared lasers required in astronomical research, and X-ray lasers required in medical research. To generate lasers in other wavelength ranges, currently commonly used technical means include laser frequency doubling, frequency mixing, sum frequency, difference frequency, etc., among which laser frequency doubling is the most. Existing laser frequency doublers are usually made of ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H01S3/109
Inventor 石建平陈旭南罗先刚
Owner INST OF OPTICS & ELECTRONICS - CHINESE ACAD OF SCI
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