CN2451141Y - Laser radiation apparatus with three wavelength and multiple-working mode - Google Patents
Laser radiation apparatus with three wavelength and multiple-working mode Download PDFInfo
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- CN2451141Y CN2451141Y CN 00226888 CN00226888U CN2451141Y CN 2451141 Y CN2451141 Y CN 2451141Y CN 00226888 CN00226888 CN 00226888 CN 00226888 U CN00226888 U CN 00226888U CN 2451141 Y CN2451141 Y CN 2451141Y
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Abstract
The utility model relates to a laser irradiation apparatus with three wavelength and multiple-working mode. The laser irradiation apparatus is composed of a laser output conducting experiment irradiation apparatus and a pulse laser. The laser irradiation apparatus is mainly characterized in that the technical measures of Q-switches and the double frequency doubling, etc., are used in the pulse laser; the apparatus is made to have the performance of outputting six 1.06 mum, 532 nm and 266 nm working modes of long and short pulse width. The laser irradiation apparatus can satisfy the irradiation requirements of laser medicine foundation experiments. The utility model has the characteristics of simplicity and easy application, cheap price and strong adaptability.
Description
This utility model relates to a kind of laser irradiation device of exporting the multiple mode of operation of three-wavelength.Especially in cheap Pulse Nd commonly used: the laser medicine infrastest irradiation unit that has adopted secondary frequency multiplication, Q-switch and collimation technique in the laser instrument of YAG.
In the laser medicine Basic Experiment Study, the cell that contains different pigments to optical maser wavelength have selectivity draw with destructive Research on Regularity also deepen continuously inquire among, promptly a large amount of various cells that contain different pigments and the Cytoplasm in the pair cell, nuclear or cytoplasm are stimulated respectively, suppress and need select suitable optical maser wavelength to shine when destroying.In addition, the various effects of tissue by laser cell and influence are except that depending on wavelength, and be also relevant with factors such as irradiation time, laser energy values.Promptly suitable laser energy density and pulse duty factor to be arranged, make laser beam only be listed as certain irradiation histiocyte or intracellular a certain ingredient generation effect, and do not influence surrounding tissue cell or intracellular other ingredients.In order to satisfy above requirement, must have the multiple mode of operation of multi-wavelength, different single pulse energy value and pulse width values to adoptable laser medicine infrastest irradiation unit.Requirement to wave band should comprise infrared ray, visible light, three wave bands of ultraviolet, and the pulse width of laser output should reach: ns, μ s, ms level, and pulsewidth adjustable size.Obtain a laser medicine Basic Experiment Study irradiation unit, can provide at current no existing product with above performance parameter.Research is thought by analysis, and to using always at present and the ultrared Pulse Nd of cheap output wavelength 1.06 μ m: the YAG laser instrument is the basis, takes certain technical measures to realize.
The measure of technical solutions of the utility model:
Reach " component invention " principle according to " invention of migrating ", can utilize the existing known Q-switch of laser technology, double frequency and collimation technique can reach the requirement of laser medicine infrastest irradiation unit.Promptly in Pulse Nd: the resonator cavity of YAG laser instrument is all-trans a Q-switch that the position is adjustable is set between film and the laser crystal, before laserresonator half anti-film, adorn a doubler that the position is adjustable, a spectroscope that the position is adjustable was set before this doubler, before this mirror, install the adjustable doubler in another position again, before this doubler, collimator is housed, before this collimator light-conducting arm is housed, this light-conducting arm joins with the experiment irradiation unit.(adjusting is controlled to be electronic or manual for position by select regulating control Q-switch and 2 doubler and spectroscope (its spectroscope and the 2nd doubler are synchronous) and duty, its work process needn't numerously be stated), can realize exporting respectively infrared ray, visible light and ultraviolet 1.06 μ m, three kinds of optical maser wavelengths of 532nm, 266pm.And has a performance of exporting length pulse and different-energy value respectively.According to the difference of optical maser wavelength and pulse width, this laser irradiation device have can provide six kinds of mode of operations selecting laser output as:
1, long pulse Nd:YAG laser: wavelength 1.06 μ m, pulsewidth: 200 μ s-10ms
2, Q-switch Nd:YAG laser: wavelength 1.06 μ m, pulsewidth: 5-10ns
3, frequency multiplication long pulse Nd:YAG laser: wavelength 532nm, pulsewidth: 200 μ s-10ms
4, Q-switch frequency multiplication Nd:YAG laser: wavelength 532nm, pulsewidth: 5-10ns
5, double frequency long pulse Nd:YAG laser: wavelength 266nm, pulsewidth: 200 μ s-10ms
6, Q-Switching Two frequency multiplication Nd:YAG laser: wavelength: 266nm, pulsewidth: 5-10ns
The equipment that laser medicine infrastest irradiation unit has six kinds of different working modes of three kinds of wavelength at home and abroad is not reported in market and the available data information.
The technical solution of the utility model is as follows:
The laser irradiation device of the multiple mode of operation of three-wavelength is made up of laser output conduction experiments irradiation unit and pulse laser, and its laser output conduction experiments irradiation unit is made up of light-conducting arm (14) and experiment irradiator (15); Its pulse laser by the interior pulse laser power supply of laser instrument casing (1) (2) through cable (3), (4) interior with being contained in laser pump cavity (5) xenon flash lamp (6) links to each other, laser crystal (7) is housed on the ambient light axis of its xenon flash lamp (6), on its laser crystal (7) optical axis afterwards the film that is all-trans (8) is housed, half anti-film (10) is housed on the place ahead optical axis of laser crystal (7) forms laserresonator, it is characterized in that: the adjustable Q-switch (9) in position is housed on the optical axis between laser crystal (7) and the film that is all-trans (8), on half anti-film (10) optical axis before, the adjustable doubler in position (11) is housed; The adjustable spectroscope in position (16) also is housed on the place ahead optical axis of doubler (11) in addition, in the place ahead of its spectroscope (16) the adjustable doubler in another location (12) is housed, on the gloss oil line of the place ahead of its doubler (12), collimator (13) is housed, light-conducting arm (14) is housed on the place ahead optical axis of collimator (13), and its light-conducting arm (14) joins with the experiment irradiator (15) in the place ahead.
The purpose of this utility model: for laser medicine infrastest irradiation unit provides a kind of laser aid of exporting infrared ray, visible light, 1.06 μ m, the 532nm of three wave bands of ultraviolet, three kinds of wavelength of 266nm and six kinds of mode of operations of the different pulse widths of output length, to satisfy the needs of laser medicine basic research.
Advantage of the present utility model: because technical solutions of the utility model are in commonly used and cheap at present Pulse Nd: adopt existing known Q-switch, frequency multiplication and the collimation technique of laser technology to realize on the YAG laser instrument basis.It has six kinds of mode of operations of three optical maser wavelengths and method is simple, with low cost, characteristics such as adaptability is strong.
Below by accompanying drawing this utility model is described in further detail:
Fig. 1 is the schematic view illustrating book accompanying drawing 1 nominal explanation of a kind of embodiment of this utility model: 1, laser instrument casing 2, pulse laser power supply 3, cable 4, cable 5, laser pump cavity 6, xenon flash lamp 7, laser crystal 8, the film 9 that is all-trans, Q-switch 10, half anti-film 11, doubler 12, doubler 13, collimator 14, light-conducting arm 15, experiment irradiator 16, spectroscope are with reference to Fig. 1
When this device is selected output 1.06 μ m, pulsewidth 200 μ s-10ms, after pulse laser power supply (2) work in the laser instrument casing (1), its running voltage makes xenon flash lamp (6) luminous by cable (3), (4), laser crystal (7) in laser pump cavity this moment (5) produces laser generation with the resonator cavity of being made up of film that is all-trans (8) and half anti-film (10), through collimator (13) output 1.06 μ m pulse lasers, test irradiator (15) through light-conducting arm (14) incident by half anti-film (10) again.During this mode of operation, Q-switch (9) and doubler (11), (12) and spectroscope (16) are not worked, and all are in and depart from the optical axis position.When select output 1.06 μ m, when pulse width is 5-10ns, Q-switch (9) transfers to and is positioned on the optical axis and is in duty.And doubler (11), (12) and spectroscope (16) are positioned at and depart from the optical axis off position.When selecting output wavelength 532nv, pulse width 200 μ s-10ms, doubler (11) is positioned on the optical axis, and in running order.And Q-switch (9), spectroscope (16) and doubler (12) are in the off position that departs from the optical axis position at this moment.When selecting output wavelength 532nm, pulse width 5-10ns, Q-switch (9) and doubler (11) adjust back to the duty on the optical axis again.When selecting output wavelength 266nm, pulse width 200 μ s-10ms, it is in running order that doubler (11), (12) and spectroscope (16) all are positioned at the optical axis position, and Q-switch this moment (9) is in the off position that departs from the optical axis position again.When selecting output wavelength 266nm pulse width 5-10ns, Q-switch (9) and doubler (11), (12) and spectroscope (16) all adjust back to the duty on the optical axis again.
Claims (2)
1, the laser irradiation device of the multiple mode of operation of a kind of three-wavelength, it is made up of laser output conduction experiments irradiation unit and pulse laser, and its laser output conduction experiments irradiation unit is made up of light-conducting arm (14) and experiment irradiator (15); Its pulse laser is by the pulse laser power supply (2) in the laser instrument casing (1), through cable (3), (4) interior with being contained in laser pump cavity (5) xenon flash lamp (6) links to each other, laser crystal (7) is housed on the ambient light axis of its xenon flash lamp (6), on its laser crystal (7) optical axis afterwards the film that is all-trans (8) is housed, half anti-film (10) is housed on the place ahead optical axis of laser crystal (7) forms laserresonator, it is characterized in that: the adjustable Q-switch (9) in position is housed on the optical axis between laser crystal (7) and the film that is all-trans (8), on half anti-film (10) optical axis before of the place ahead of laser crystal (7), the adjustable doubler in position (11) is housed.
2, the laser irradiation device of the multiple mode of operation of three-wavelength according to claim 1, it is characterized by: a spectroscope (16) that the position is adjustable is housed on the place ahead optical axis of doubler (11), on spectroscope (16) optical axis before, the adjustable doubler in another location (12) is housed, collimator (13) is housed on the place ahead optical axis of its doubler (12), light-conducting arm (14) is housed on the place ahead optical axis of collimator (13), and its light-conducting arm (14) joins with the experiment irradiator (15) in the place ahead.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN 00226888 CN2451141Y (en) | 2000-10-18 | 2000-10-18 | Laser radiation apparatus with three wavelength and multiple-working mode |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN 00226888 CN2451141Y (en) | 2000-10-18 | 2000-10-18 | Laser radiation apparatus with three wavelength and multiple-working mode |
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CN2451141Y true CN2451141Y (en) | 2001-10-03 |
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CN 00226888 Expired - Fee Related CN2451141Y (en) | 2000-10-18 | 2000-10-18 | Laser radiation apparatus with three wavelength and multiple-working mode |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104491989A (en) * | 2014-10-17 | 2015-04-08 | 上海皓欣医疗科技股份有限公司 | Multifunctional laser therapeutic instrument |
CN111201063A (en) * | 2017-10-16 | 2020-05-26 | 杰希思医疗集团株式会社 | Therapeutic laser device for combined irradiation of skin with different pulse widths |
CN111600179A (en) * | 2020-05-25 | 2020-08-28 | 中国人民解放军总医院 | 266nm laser treatment equipment |
-
2000
- 2000-10-18 CN CN 00226888 patent/CN2451141Y/en not_active Expired - Fee Related
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104491989A (en) * | 2014-10-17 | 2015-04-08 | 上海皓欣医疗科技股份有限公司 | Multifunctional laser therapeutic instrument |
CN111201063A (en) * | 2017-10-16 | 2020-05-26 | 杰希思医疗集团株式会社 | Therapeutic laser device for combined irradiation of skin with different pulse widths |
CN111600179A (en) * | 2020-05-25 | 2020-08-28 | 中国人民解放军总医院 | 266nm laser treatment equipment |
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C19 | Lapse of patent right due to non-payment of the annual fee | ||
CF01 | Termination of patent right due to non-payment of annual fee |