CN2674636Y - High-power composite function quartz glass tube pulse xenon lamp - Google Patents

High-power composite function quartz glass tube pulse xenon lamp Download PDF

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Publication number
CN2674636Y
CN2674636Y CN 200320122664 CN200320122664U CN2674636Y CN 2674636 Y CN2674636 Y CN 2674636Y CN 200320122664 CN200320122664 CN 200320122664 CN 200320122664 U CN200320122664 U CN 200320122664U CN 2674636 Y CN2674636 Y CN 2674636Y
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China
Prior art keywords
quartz glass
lamp
tube
complex function
glass tube
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CN 200320122664
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Chinese (zh)
Inventor
蒋宝财
李海兵
袁才来
林文正
陈小春
俞建华
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Shanghai Institute of Optics and Fine Mechanics of CAS
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Shanghai Institute of Optics and Fine Mechanics of CAS
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Abstract

A high-power composite function quartz glass tube pulse xenon lamp comprises a lamp tube, the tube diameters of two ends of the lamp tube shrink to form a lamp cap sealing area, an electrode rod and an electrode cap of an anode and a cathode are sealed in the lamp tube, and a lamp cap leading-out lead wire is arranged outside the lamp cap sealing area. The utility model has the advantages of mechanical strength is high, and shock wave resistance can be strong, load energy is big, has good radiation spectral performance again, can effectively cut off the near ultraviolet radiation below the wavelength 340 nm.

Description

The large-power complex function quartz glass tube xenon flash lamp
Technical field:
The utility model relates to the pump pulse xenon lamp of great-power solid laser, particularly a kind of large-power complex function quartz glass tube xenon flash lamp.
Background technology:
The highpowerpulse xenon lamp is a kind of laser pumping light source commonly used.The large-sized solid laser must have the pulsed laser energy output of megajoule, to the demands for higher performance of laser pulse xenon lamp.Xenon flash lamp must have high operational reliability and zero rate of explosion.During the high power laser operation, on the one hand, heavy current will produce huge magnetic field, plasma stock wave and thermal shock paired pulses xenon lamp quartz glass tube wall and damage; On the other hand, near the ultra-violet radiation the 300nm of xenon plasma generation can make the inner defective that produces of neodymium glass.Thereby high power laser requires to improve the mechanical strength and the impact strength of xenon flash lamp fluorescent tube, improves the load energy of xenon flash lamp, requires to improve the radiation spectrum of xenon flash lamp simultaneously, and it can well be mated with the absorption spectrum of neodymium glass.Formerly the xenon flash lamp of technology still can not well satisfy above requirement.
The available following international Goncz formulae express of the limit load of xenon flash lamp (explosion energy): E 0 = 12 LD τ ( J ) . Wherein L (cm) is a discharge spacing in the lamp, and D (cm) is the fluorescent tube internal diameter, and τ (μ s) is the discharge pulsewidth.Simultaneously, the xenon lamp life-span is also satisfied expression formula: L = ( E 0 / E x ) β . Wherein, E 0Be discharge energy-storage, E xBe the limit load energy, β is relevant with the socket footpath.After tested, the limit load of mixing cerium quartz glass tube xenon flash lamp of φ 37 (wall thickness 3.0mm) * 1430mm is E x=124700J is according to formula L = ( E 0 / E x ) β , Can draw the life-span of mixing cerium quartz glass tube xenon flash lamp under the different discharging conditions.
Highpowerpulse xenon lamp formerly mainly contains two kinds: pure quartz glass tube xenon flash lamp and mix cerium quartz glass tube xenon flash lamp.A kind of pure quartz glass tube xenon flash lamp is to use the xenon flash lamp of purity quartz glass pipe for high as the pipe wall material preparation, its characteristic is: have advantages such as stronger shock resistance ripple, thermal shock resistance, load energy are big, but, because the character of purity quartz glass pipe for high self, this xenon flash lamp can not amputation has near the near ultraviolet radiation the 300nm of destruction to working-laser material.Therefore, current domestic and international operation and in the large laser nuclear fusion device of building, abandoned using pure quartz glass fluorescent tube xenon flash lamp.Another kind is mixed cerium quartz glass tube xenon flash lamp and is to use and is mixed with micro-cerium oxide (CeO 2), aluminium oxide (Al 2O 3) and titanium oxide (TiO 2) quartz glass tube as the xenon flash lamp of pipe wall material preparation.Its characteristic is: have good radiation spectrum performance, the effectively following near ultraviolet radiation of amputation 340nm; But the adding of impurity such as cerium oxide has influenced quartz glass to a certain extent than the whole network structure, reduced the mechanical strength of mixing the cerium quartz glass tube, influenced the useful life of mixing cerium quartz glass tube xenon flash lamp, mix cerium quartz glass tube xenon flash lamp because load energy descends, the phenomenon of fried lamp often occurs.
Summary of the invention:
The technical problems to be solved in the utility model is to improve effectively the shortcoming of above-mentioned technology formerly, and a kind of large-power complex function quartz glass tube xenon flash lamp is provided.This xenon flash lamp should have mechanical performance preferably, has radiation spectrum characteristic preferably again the running life of higher energy load, length, and the following near ultraviolet radiation of energy amputation 340nm is to satisfy the requirement that xenon flash lamp is used in large scale laser instrument.
Technical solution of the present utility model is as follows:
A kind of large-power complex function quartz glass tube xenon flash lamp, comprise a fluorescent tube, caliber contraction the becoming lamp holder sealing-in district, two ends of this fluorescent tube is sealed in the electrode stem and the electrode cap of anode and negative electrode in the fluorescent tube, lamp holder sealing-in district outwards has lamp holder to draw lead, it is characterized in that described fluorescent tube is the complex function quartz glass fluorescent tube, this complex function quartz glass fluorescent tube is mixed the cerium quartz glass layer by internal layer pure quartz glass layer and skin and is constituted, and the thickness of wherein mixing the cerium quartz glass layer accounts for the 16%-40% of the thickness of whole complex function quartz glass fluorescent tube.
Xenon flash lamp of the present utility model can adopt different prepared such as transitional glass process for sealing, low-temperature metal process for sealing or high temperature metallization process for sealing.
The utility model is compared with technology formerly, its key is to adopt the pipe wall material of complex function quartz glass tube as xenon flash lamp, this complex function quartz glass tube has the mechanical strength of pure quartz glass, has again simultaneously to mix the similar spectrum property of cerium quartz glass.Thereby, the complex function quartz glass tube xenon flash lamp has advantages such as stronger shock resistance ripple performance, load energy are big, has good radiation spectrum performance simultaneously, the effectively following near ultraviolet radiation of amputation wavelength 340nm can be mated the radiation spectrum of xenon flash lamp with the absorption spectrum of neodymium glass.
Description of drawings
Fig. 1 is the utility model figure
Fig. 2 complex function quartz glass tube structural representation
Fig. 3 pure quartz glass, mix cerium quartz glass tube, complex function quartz glass tube transmittance curve figure
The radiation spectrum distribution map of Fig. 4 φ 1430 * 37mm xenon flash lamp
Embodiment:
Below in conjunction with embodiment and accompanying drawing the utility model and effect thereof are described further.
See also Fig. 1 earlier, Fig. 1 is the utility model large-power complex function quartz glass tube xenon flash lamp example structure schematic diagram, as seen from the figure, a kind of large-power complex function quartz glass tube xenon flash lamp of the utility model, comprise a fluorescent tube 1, caliber contraction the becoming lamp holder sealing-in district 4, two ends of this fluorescent tube 1 is sealed in the electrode stem 2 and the electrode cap 3 of anode and negative electrode in the fluorescent tube 1, lamp holder sealing-in district 4 outwards has lamp holder to draw lead 5, be characterized in that described fluorescent tube 1 is the complex function quartz glass fluorescent tube, this complex function quartz glass fluorescent tube 1 is mixed cerium quartz glass layer 12 by internal layer pure quartz glass layer 11 and skin and is constituted, as shown in Figure 2, the thickness of wherein mixing cerium quartz glass layer 12 accounts for the 16%-40% of the thickness of complex function quartz glass fluorescent tube 1.
Described lamp holder sealing-in district 4 can adopt transitional glass process for sealing, low-temperature metal process for sealing or high temperature metallization process for sealing etc., and 5 draw lead for lamp holder.Charge into high-purity xenon of certain pressure in the complex function quartz glass tube, air pressure can be 50 holders-300 holders.
The utility model uses the pipe wall material of a kind of complex function quartz glass tube as xenon flash lamp, and this complex function quartz glass had both had the mechanical strength of pure quartz glass, can improve its spectrum property greatly again.The complex function quartz glass tube of use different tube diameters and wall thickness can prepare the complex function quartz glass tube xenon flash lamp of different size, this xenon lamp had both had good shock resistance and high load energy, and its radiation spectrum also can well mate with working-laser material neodymium glass (Nd:glass).
The utility model NEW TYPE OF COMPOSITE function quartz glass tube xenon flash lamp is through using proof, have better shock resistance ripple performance, high load energy, with the radiation spectrum of neodymium glass absorption spectrum coupling and high spectrum efficiency, help the long-time normal operation of laser, realize zero blast in the laser operation process.
1 complex function quartz glass tube of having listed three kinds of different sizes of the utility model use of tabulating down is made into the highpowerpulse xenon lamp.
The specification of three kinds of complex function quartz glass tubes of table 1
Complex function quartz glass tube Wall thickness (mm) Internal layer pure quartz glass thickness (mm) Skin is mixed cerium quartz glass thickness (mm) External diameter (mm)
1# 3 2 1 37
2# 3 2.5 0.5 37
3# 2.5 1.5 1 22
Embodiment 1:
The used high power combined function quartz glass tube of the utility model xenon flash lamp pipe wall material adopts cylindrical composite function quartz glass tube in the present embodiment, and arc length 1430mm, external diameter are 37mm, and pipe thickness is 3mm.Be filled with high-purity xenon in the fluorescent tube, electrode stem 2 and electrode cap 3 all use cerium tungsten material.Lamp holder 4 adopts the transitional glass process for sealing.5 is lamp holder outgoing cable line.The length overall of xenon lamp is about 1670mm.
Xenon flash lamp fluorescent tube---complex function quartz glass tube adopts the 1# glass tube in the table 1, its thickness is 3mm, internal layer pure quartz glass layer 11 and the outer ratio of mixing cerium quartz glass layer 12 thickness are 2: 1, and the ratio that the thickness that skin is mixed cerium quartz glass layer 12 accounts for whole complex function quartz glass tube thickness is 33%.Employing UV/VIS/NIR SPECTROMETER spectrometer has been tested pure quartz glass, has been mixed the curve that sees through of cerium quartz glass and complex function quartz glass 200nm-800nm, and thickness of sample is 3mm, sees Fig. 3.Among the figure, 1-pure quartz glass sees through curve; 2-mix the cerium quartz glass to see through curve; 3-complex function quartz glass sees through curve.As seen from the figure, the complex function quartz glass of present embodiment sees through curve and mixes the similar of cerium quartz glass in the 200nm-800nm scope, is lower than 5% in the near ultraviolet transmitance of 200-340nm.
Fig. 4 is the radiation spectrum distribution map that adopts the large-power complex function quartz glass tube xenon flash lamp of traditional discharge module test acquisition.By finding among Fig. 4 that complex function quartz glass fluorescent tube of the present utility model can absorb the ultra-violet radiation of xenon plasma, make the radiation spectrum short-wavelength limit of mixing cerium quartz glass xenon flash lamp near 400nm, the radiation spectrum of xenon flash lamp and the absorption spectrum of neodymium glass be complementary, eliminated near the xenon plasma 300nm ultra-violet radiation the destruction of neodymium glass.
The utility model large-power complex function quartz glass tube xenon flash lamp has carried out limit load (explosion energy) test, its limit load ENERGY E x=141600J.By the result as can be known, the limit load ENERGY E of the utility model large-power complex function quartz glass tube xenon flash lamp of same size xThan mixing cerium quartz glass tube xenon flash lamp limit load ENERGY E x=124700J is significantly improved, by life formula L = ( E 0 / E x ) &beta; ( &beta; < 0 ) Can judge that will prolong greatly the running life of xenon flash lamp of the present utility model.
The examination of the reliability of the utility model complex function quartz glass tube xenon flash lamp and gain ability proves: long-term operation under the situation of 20kV preionization 23kV main discharge, and blast does not appear, and gain does not significantly descend yet.
From test and the result of appraisal as can be known, the radiation spectrum that xenon flash lamp of the present utility model has good shock resistance, high load energy and mates with neodymium glass can satisfy the requirement of large-scale laser paired pulses xenon lamp well.
Embodiment 2:
The used high power combined function quartz glass tube of the utility model xenon flash lamp pipe wall material adopts cylindrical composite function quartz glass tube in the present embodiment, and arc length 1270mm, external diameter are 22mm.Charge into high-purity xenon in the fluorescent tube, electrode stem 2 and electrode cap 3 all use cerium tungsten material.Lamp holder 4 adopts the transitional glass process for sealing.Complex function quartz glass adopts 3# glass tube in the table 1, and its thickness is 2.5mm, and internal layer pure quartz glass layer 11 and the outer ratio of mixing cerium quartz glass layer 12 thickness are 1.5: 1, and the ratio that skin is mixed cerium quartz glass layer thickness is 40%.Because this xenon flash lamp is longilineal, and xenon air pressure height in the pipe, the mechanical strength and the shock resistance of the pipe wall material of xenon lamp there is very high requirement.The xenon lamp of a collection of present embodiment uses on high-power laser device, normally moves hundreds of at present, blast occurs, and gain is not tangible yet to descend.Simultaneously, the effectively following near ultraviolet radiation of amputation wavelength 340nm of xenon flash lamp of the present utility model does not produce destruction to working-laser material neodymium glass (Nd:glass).
The 2# glass tube that embodiment 3 adopts in the table 1, concrete condition is similar, repeats no more.
In a word, xenon flash lamp of the present utility model has good shock resistance, high load energy and the radiation spectrum that mates with neodymium glass (Nd:glass).

Claims (1)

1, a kind of large-power complex function quartz glass tube xenon flash lamp, comprise a fluorescent tube (1), caliber contraction the becoming lamp holder sealing-in district (4), two ends of this fluorescent tube (1) is sealed in the electrode stem (2) and the electrode cap (3) of anode and negative electrode in the fluorescent tube (1), lamp holder sealing-in district (4) outwards has lamp holder to draw lead (5), it is characterized in that described fluorescent tube (1) is the complex function quartz glass fluorescent tube, this complex function quartz glass fluorescent tube (1) is mixed cerium quartz glass layer (12) by internal layer pure quartz glass layer (11) and skin and is constituted, and the thickness of wherein mixing cerium quartz glass layer (12) accounts for the 16%-40% of the thickness of complex function quartz glass fluorescent tube (1).
CN 200320122664 2003-12-19 2003-12-19 High-power composite function quartz glass tube pulse xenon lamp Expired - Fee Related CN2674636Y (en)

Priority Applications (1)

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Application Number Priority Date Filing Date Title
CN 200320122664 CN2674636Y (en) 2003-12-19 2003-12-19 High-power composite function quartz glass tube pulse xenon lamp

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110339378A (en) * 2019-07-22 2019-10-18 中国科学院上海光学精密机械研究所 Flash ultraviolet irradiation system

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110339378A (en) * 2019-07-22 2019-10-18 中国科学院上海光学精密机械研究所 Flash ultraviolet irradiation system

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