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What is an Optical Head?
Keysight 81618A/9A and Keysight 81620B/3B/4B/6B/8B Optical Heads User's Guide
An optical head measures the power emitted from a connected
single-mode or multi-mode fiber or the power applied in an open parallel
beam (with max. 5 mm diameter). The wavelength and power range
depends on the sensor element.
Screw to connector
adapter when fitted
Figure 1
Rear view of an Optical Head with Analog Output
Optical interface
connector adapter locking screws
Figure 2
Front View of Optical Head without Adapter
Figure 1
on page -17 and
optical head.
Getting Started with Optical Heads
Cable to interface
module
Analog output
Figure 2
on page -17 show views of a typical
1
17
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