Krypton Photographic Flash Lamps

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  • Investigation extremely rapider operations. Report of IV. International convention for Kurrzzeitphotographie and high frequency cinematography
    The "flash-lamps" represents Fur of flash illumination in the microsecond-region in spite of the far driven technical Entwidtlung i.e. the generally rnit noble gas (argon, xenon, krypton ) gefullten electronic flash - lamps der simple L u f t f u … of hnkenblitzen extremely short duration (until down to 10 m, the US) by photographically fur backlight receivings…
  • Report on absolute measurements of gravity
    The flashes must also be very short and Thul~ found that serious errors. .... could arise from the photographic process integrating the feeble afterglow of long duration that occurs in a krypton discharge lamp .
  • The flash tube and its applications
    …6 500 and 7 000 A is due to the insensitivity of the photographic emulsion at longer .... In fact the high-current flash -discharge through both xenon and krypton provides an efficient source of infra-red radiation up to at least 11 000 A. .... A is due to the glass tube and outer glass cover of the lamp used for making…
  • A new power stroboscope for high-speed flash photography
    …number increases in the inert gas series, i.e. neon (10), argon (18), krypton (36) and xenon .... Afterglow measurements of this type made on various lamps by the spinning-disc method provided an indication of the direc- tion necessary for achieving lamps of much shorter photographic duration, and so, in the later stages of the stroboscope develop- ment, tubes … by precise physical measurements that these changes were successful in producing short-duration flash tubes and in…
  • The Bunsen‐Roscoe law for the human eye at very short durations
    The surprisingly low apparent brightness compared with the large photo- graphic effect of flashes of a few microseconds' duration produced by dis- charging a condenser through an argon or krypton tube has recently led to suggestions that Bloch's application of the Bunsen .... A and B were 6 V 18 A ribbon filament lamps .
  • Standard Handbook of Electronic Engineering, Fifth Edition > Radiant Energy Sources and Sensors
    They are used in optical pumping of lasers, stroboscopic work, photographic applications, and many other purposes requiring flashing lights. .... Lamp construction. .... Other gases, including argon, neon, krypton , and hydrogen, are frequently used.
  • The flash tube and its applications
    …the rare gases were carried out in various countries, although practical forms of lamp were largely of … work during the early years of the war when the demand arose for flash tubes capable of .... Their use has extended considerably since the war, not only for ordinary photographic purposes but for specialized … having an electrode in each end and a fillling of gas which is usually krypton or xenon.
  • Determination of matrix element of dipole moment of electronic transition A2 Σ — X2 Π in SiF molecule
    …format isopanchromatic film with a sensitivity of 2000 GOST units was used as the photographic ma- terial. .... A quartz capillary tube filled with krypton at 150 mm Hg served as the source of continuous .... The flash of this lamp was synchronized with the time of passage of the front of the reflected wave past the window of the shock tube.
  • Novel technique for transient absorption probing
    Indeed, recording absorption spectra with generally used photographic films and subsequent densitometry analysis was a cumbersome technique. .... It also took some effort to precisely synchronize a Xe flash lamp , which was generally used as source of broadband UV probing radiation, with an e-beam pumping pulse. .... illustrated by the example of the recorded absorption spectra of e-beam-excited neon, argon, and krypton .
  • LIFE AND SCIENTIFIC LEGACY OF GEORGE PORTER, THE
    The lamp was 1 m. x 1 cm. in size, was krypton filled at a pressure of 5 cm. .... The duration of the flash may be decreased by using shorter or wider tubes which decreases the .... and Mr A. J. Meadowcroft for information about the construction of photographic flash tubes.