Overview
The Keysight 81635A provides two InGaAs optical-power measurement channels in a modular sensor. It supports optical-component characterization where simultaneous inputs and low polarization dependence are useful.
Specifications
Key Specifications
- Channels
- 2
- Detector
- InGaAs
- Wavelength range
- 800 to 1650 nm
- Power range
- -80 to +10 dBm
- Source-stated power uncertainty
- Plus or minus 3 percent
Sales and Service
- Warranty
- 6-Month Warranty
- Calibration Status
- Calibration certificate or test report available (as stated in your quotation)
Documents
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A closer look at 81635A

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