New Focus 1621, Руководство пользователя

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6 • Operation NEW FOCUS, Inc.
Figure 1:
Typical
responsivities
of
Model 1621
and Model
1623
Each Model 162X photodetector runs off a single 9-
volt alkaline battery. The photoreceiver’s slim casing,
shown below, makes it easy to position it in a set-up
between closely spaced optics. The switches and BNC
output connector are located on top of the receiver for
easy access.
Figure 2:
Model 162X
casing
A full mechanical diagram of the Model 162X casing is
available on page 17.
0.0
0.2
0.4
0.6
0.8
1.0
Wavelength, nm
200 400 600 800 1000 1200 1400 1600 1800 2000
Responsivity, A/W
Model 1621
Model 1623
Photodetector
Power switch
Battery-check LED
Load-resistor switch
Output (BNC)
8-32 (M4)
Mounting
threads
Note: Note:
162x nanosec revB.fm Page 6 Friday, August 17, 2001 5:51 PM