Type

Spectral Range

Dark Count Rate

Efficiency

COUNT-20C

400-1000nm

<20Counts/s

15% for 405nm
70% for 670nm
50% for 810nm

COUNT-50C

<50Counts/s

COUNT-100C

<100Counts/s

COUNT-250C

<250Counts/s

COUNT-10B

350-1000nm

<10Counts/s

55% for 405nm
70% for 532nm
55% for 670nm

COUNT-20B

<20Counts/s

COUNT-50B

<50Counts/s

COUNT-100B

<100Counts/s

COUNT-250B

<250Counts/s

COUNT-50N

400-1000nm

<50Counts/s

70% for 670nm
60% for 810nm

COUNT-100N

<100Counts/s

COUNT-250N

<250Counts/s

COUNT-1000Q

950-1600nm

<1000Counts/s

10% for 1550nm
70% for 670nm
50% for 810nm

FC

FC-style fiber-optic receptable pre-aligned to the optical detector surface.

COUNT-PSU

Power supply for single photo counting.

DSN 102

Two-channel power supply for single photo counting, stand-alone version or OEM.