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Message ID: 42
Entry time: 10/28/2004 01:29:24 PM
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Quantum efficiency versus wavelength
! bi-alkali photocathode and lime-glass window
Neven gave me this info:
! QE_XP4572_bialkali_limeglass
! based on figure for the XP4512B from the Photonis catalog
! (predecessor to the XP4572)
!
!Lambda QE for lime glass window
! (nm) (percent)
!
200 0.
250 0.
280 .1
290 .3
300 3
315 10
330 20
350 27.5
400 26
480 20
540 10
590 3
615 1
640 .3
660 .1
Quantum efficiency versus wavelength
! bi-alkali photocathode and 3 window types
!based on a figure for the 9107B by Electron Tubes (a blue-optimized pmt)
!
!Lambda QE(silica) QE(UV glass) QE(borosilicate)
100. 0. 0. 0.
125. 0. 0. 0.
150. .5 0. 0.
175. 22. .5 0.
200. 27.5 7.5 0.
225. 26. 15. 0.
250. 22.5 22.5 0.
275. 24. 24. .5
300. 27. 27. 13.
325. 27.5 27.5 26.
350. 27.6 27.6 27.5
375. 27.5 27.5 27.5
400. 26.5 26.5 26.5
425. 24.5 24.5 24.5
450. 21.5 21.5 21.5
475. 17.5 17.5 17.5
500. 14. 14. 14.
525. 10. 10. 10.
550. 5.5 5.5 5.5
575. 2. 2. 2.
600. .5 .5 .5
625. 0. 0. 0. |
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! Quantum efficiency versus wavelength
! bi-alkali photocathode and lime-glass window
! based on figure for the XP4512B from the Photonis catalog
! (predecessor to the XP4572)
!
!Lambda QE for lime glass window
! (nm) (percent)
!
200 0.
250 0.
280 .1
290 .3
300 3
315 10
330 20
350 27.5
400 26
480 20
540 10
590 3
615 1
640 .3
660 .1
|
|
!Quantum efficiency versus wavelength
! bi-alkali photocathode and 3 window types
!based on a figure for the 9107B by Electron Tubes (a blue-optimized pmt)
!
!Lambda QE(silica) QE(UV glass) QE(borosilicate)
100. 0. 0. 0.
125. 0. 0. 0.
150. .5 0. 0.
175. 22. .5 0.
200. 27.5 7.5 0.
225. 26. 15. 0.
250. 22.5 22.5 0.
275. 24. 24. .5
300. 27. 27. 13.
325. 27.5 27.5 26.
350. 27.6 27.6 27.5
375. 27.5 27.5 27.5
400. 26.5 26.5 26.5
425. 24.5 24.5 24.5
450. 21.5 21.5 21.5
475. 17.5 17.5 17.5
500. 14. 14. 14.
525. 10. 10. 10.
550. 5.5 5.5 5.5
575. 2. 2. 2.
600. .5 .5 .5
625. 0. 0. 0.
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