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A red and blue laser plant light

A blue laser, plant lamp technology, applied in the directions of botanical equipment and methods, light sources, semiconductor devices of light-emitting elements, etc., to achieve the effects of wide range, enlarged illumination space, and large illumination space

Inactive Publication Date: 2016-03-30
QINGDAO UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, there is no public use and related reports of laser plant lights that can output red and blue lasers at the same time

Method used

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  • A red and blue laser plant light
  • A red and blue laser plant light

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Experimental program
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Effect test

Embodiment 1

[0016] The laser gain crystal A of this embodiment adopts a Nd:YAG module, and the laser B adopts a semiconductor laser with an output wavelength of 880nm. The first laser cavity lens R1 is a plano-concave mirror with a radius of curvature of 200mm, and the coating parameters are HR1318nm~1440nm&HT609~720nm; The second laser cavity mirror R2 is a plano-concave mirror with a curvature radius of 300mm. The coating parameters are HR1318nm~1440nm&HT439~480nm. The distance between the first laser cavity mirror R1 and the second laser cavity mirror R2 is 400mm. The frequency doubling crystal C is PPLN. The combined frequency crystal D is PPKTP, the first focusing lens L1 and the third focusing lens L3 are focusing lenses with a focal length of 30mm, the second focusing lens L2 is a focusing lens with a focal length of 200mm, and the fourth focusing lens L4 is a focusing lens with a focal length of 1000mm. The distance between the first focusing lens L1 and the second focusing lens L2...

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Abstract

The invention belongs to the technical field of plant growth equipment, and relates to a red and blue laser plant lamp. A laser gain crystal is fixedly connected with a laser, and the laser pumps the laser gain crystal to generate laser oscillation; a frequency doubling crystal is arranged at one end of the laser gain crystal, and a frequency synthesis crystal is arranged at the other end of the laser gain crystal; a first laser cavity lens is arranged at an output end of the frequency doubling crystal, and a second laser cavity lens is arranged at an output end of the frequency synthesis crystal; a first beam expander is arranged at an output end of the first laser cavity lens; and a second beam expander is arranged at an output end of the second laser cavity lens. The red and blue laser plant lamp is simple in structure, large in illumination space and wide in range and can simultaneously output red laser and blue laser, the spectral range is wide, the output energy is large, the lamp is energy-saving and efficient, and the illumination range and the light power can be adjusted.

Description

Technical field: [0001] The invention belongs to the technical field of plant growth equipment, and relates to a red and blue plant lamp for promoting plant growth, in particular to a red and blue laser plant lamp. Background technique: [0002] Plants rely on the energy of sunlight for photosynthesis to grow, bloom, and bear fruit. The solar spectrum is a continuous spectrum, including all wavelengths from 400 to 760nm. Light of different wavelengths has different effects on plant photosynthesis, among which 400 to 520nm The blue light of 520-610nm and the red light of 610-720nm contribute the most to photosynthesis, and the ratio of green light of 520-610nm absorbed by plant pigments is very low. Studies have shown that the spectral energy distribution of red light and blue light is consistent with the absorption spectrum of chlorophyll. The combination of red and blue light can greatly promote the photosynthesis of plants and improve the growth and development of plants. ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F21V13/00F21V21/14F21K9/69F21K9/68F21K9/64A01G9/20F21K9/20F21Y115/30
Inventor 潘淑娣刘建华葛晓辉孔伟金宋然然
Owner QINGDAO UNIV
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