Short Arc Type Flash Lamp And Light Source Device
A flash lamp and short arc technology, used in discharge lamps, gas discharge lamps, high pressure discharge lamps, etc., can solve the problems of reducing and increasing the concave reflector's condensing efficiency, and achieve the effect of simplified internal structure and high lamp start-up performance.
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no. 1 approach
[0035] figure 1 It is a cross-sectional view along the tube axis direction showing a schematic configuration of an example of the short-arc strobe lamp according to the first embodiment of the present invention. figure 2 yes means figure 1 An enlarged partial view of the main part of the short-arc flash shown. image 3 yes figure 1 The A-A line sectional view in.
[0036] The short-arc strobe (hereinafter simply referred to as "strobe") 10a according to the first embodiment is a so-called double-end (both ends sealed) strobe, and has a bulb 11 equipped with a The light-emitting space has, for example, an ellipse-shaped light-emitting tube part 12, a first sealing tube part 13 that is continuous with one end of the light-emitting tube part 12 and extends outward along the tube axis direction, and a first sealing tube part 13 that is continuous with the other end of the light-emitting tube part 12 and extends along the tube axis. The second sealing pipe portion 15 extend...
no. 2 approach
[0081] Figure 6 It is a cross-sectional view along the tube axis direction showing a schematic configuration of an example of the short-arc strobe lamp according to the second embodiment of the present invention.
[0082] Regarding the flash 10b, except in Figure 1 to Figure 3 In the strobe lamp 10 a according to the first embodiment shown, the thickness of the external trigger arrangement area TA where the external trigger 55 is arranged in the second sealed tube part 15 of the bulb 11 is greater than the thickness of the starting auxiliary electrode sealing part 16 . This strobe 10b has the same structure as the strobe 10a according to the first embodiment except for a small structure.
[0083] In this flash lamp 10b, the starting auxiliary electrode sealing portion 16 of the second sealing tube portion 15 in the bulb 11 is continuous with one end of the arc tube portion 12 via the preliminary discharge space forming portion 18, and one end surface of the starting auxilia...
no. 3 approach
[0089] Figure 7 It is a cross-sectional view along the tube axis direction showing a schematic configuration of an example of the short-arc strobe lamp according to the third embodiment of the present invention.
[0090] Regarding the flash 10c, except in Figure 6 In the strobe lamp 10b according to the second embodiment shown, the outer diameter of the preliminary discharge space forming portion 18 in the second sealed tube portion 15 of the bulb 11 is smaller than the outer diameter of the starting auxiliary electrode sealing portion 16. The strobe 10c has the same configuration as the strobe 10b according to the second embodiment.
[0091] In this strobe lamp 10c, the preliminary discharge space forming part 18 constituting the external trigger arrangement area TA in the second sealed tube part 15 of the bulb 11 is reduced in diameter radially inward over the entire circumferential range, and the preliminary discharge The size (width) of the gap between the inner periph...
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