Silex glass tube pulse xenon light with high power composite function

A quartz glass tube and composite function technology, applied in the manufacture of discharge tubes/lamps, discharge lamps, discharge tubes, etc., can solve the problems affecting the service life of cerium-doped quartz glass tube pulse xenon lamps, the decrease of load energy, and the explosion of lamps, etc. Achieve the effects of good radiation spectrum performance, strong shock wave resistance and large load energy

Inactive Publication Date: 2004-12-08
SHANGHAI 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

Its characteristics are: it has good radiation spectrum performance, and can effectively cut off near-ultraviolet radiation below 340nm; but the addition of impurities such as cerium oxide affects the relatively complete network structure of quartz glass to a certain extent, reducing the quality of cerium-doped quartz glass tubes. The mechanical strength of the cerium-doped quartz glass tube pulse xenon lamp affects the service life of the cerium-doped quartz glass tube pulse xenon lamp. Due to the decrease in load energy, the lamp often explodes.

Method used

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  • Silex glass tube pulse xenon light with high power composite function
  • Silex glass tube pulse xenon light with high power composite function
  • Silex glass tube pulse xenon light with high power composite function

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0022] The wall material of the high-power composite function quartz glass tube pulse xenon lamp of the present invention used in this embodiment is a cylindrical composite function quartz glass tube with an arc length of 1430 mm, an outer diameter of 37 mm and a tube wall thickness of 3 mm. The lamp tube is filled with high-purity xenon gas, and both the electrode rod 2 and the electrode cap 3 are made of cerium-tungsten material. Lamp holder 4 adopts transition glass sealing process. 5 leads out the cable for the lamp holder. The total length of the xenon lamp is about 1670mm.

[0023] Pulse xenon lamp tube—the composite functional quartz glass tube adopts the 1# glass tube in Table 1, its thickness is 3mm, and the ratio of the thickness of the inner layer of high-purity quartz glass layer 11 to the outer layer of cerium-doped quartz glass layer 12 is 2:1 , the thickness of the outer cerium-doped quartz glass layer 12 accounts for 33% of the thickness of the entire composi...

Embodiment 2

[0029]The wall material of the pulsed xenon lamp of the high-power composite functional quartz glass tube of the present invention used in this embodiment is a cylindrical composite functional quartz glass tube with an arc length of 1270 mm and an outer diameter of 22 mm. The lamp tube is filled with high-purity xenon gas, and both the electrode rod 2 and the electrode cap 3 are made of cerium-tungsten material. The lamp holder 4 adopts a transitional glass sealing process. Composite function quartz glass adopts 3# glass tube in Table 1, its thickness is 2.5mm, the ratio of the thickness of the inner high-purity quartz glass layer 11 and the outer layer cerium-doped quartz glass layer 12 is 1.5:1, and the outer layer cerium-doped quartz glass layer The proportion of layer thickness is 40%. Since this pulsed xenon lamp is long and thin, and the xenon gas pressure in the tube is high, there are high requirements on the mechanical strength and impact resistance of the tube wall ...

Embodiment 3

[0030] Embodiment 3 adopts the 2# glass tube in Table 1, and the specific conditions are similar, and are not repeated here.

[0031] In conclusion, the pulsed xenon lamp of the present invention has excellent impact resistance, high load energy and a radiation spectrum matched with neodymium glass (Nd:glass).

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Abstract

Tube diameter at two ends of luminous tube of xenon lamp is reduced so as to form sealing zones of lamp base for sealing electrode pole and cap of anode and cathode inside luminous tube. Wires of lamp base are leaded out from the sealing zones. Characters are that luminous tube is made from quartz glass possessing compounded functions. The compounded quartz glass is composed of inner layer of high pure quartz glass and outer layer of quartz glass with adulterated cerium. Thickness of quartz glass with adulterated cerium is about 16%-40% of thickness of entire luminous tube. Advantages of the invention are: high mechanical strength, shock resistant, large loading energy as well as favorable radiation spectrum capable of cutting off near ultraviolet radiation lower than 340 nm wavelength.

Description

Technical field: [0001] The invention relates to a pumping pulse xenon lamp of a high-power solid-state laser, in particular to a high-power composite function quartz glass tube pulse xenon lamp. Background technique: [0002] High-power pulsed xenon lamp is a commonly used laser pumping light source. Large-scale solid-state lasers must have megajoules of pulsed laser energy output, which puts forward higher requirements on the performance of laser pulsed xenon lamps. Pulsed xenon lamps must have high operational reliability and zero explosion probability. When the high-power laser is running, on the one hand, the strong current will generate a huge magnetic field, plasma shock wave and thermal shock to damage the quartz glass tube wall of the pulsed xenon lamp; on the other hand, the ultraviolet radiation near 300nm generated by the xenon plasma will make the neodymium Defects occur inside the glass. Therefore, the high-power laser needs to improve the mechanical strengt...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01J5/02H01J7/24H01J9/24H01J17/16H01J61/30H01J61/35H01J61/40H01J61/80H01J61/90H01S3/091
CPCH01J61/80H01J61/40H01J61/35H01J61/90H01J9/247H01J61/302
Inventor 蒋宝财李海兵袁才来林文正陈小春俞建华
Owner SHANGHAI INST OF OPTICS & FINE MECHANICS CHINESE ACAD OF SCI
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