Table of Contents
Advertisement
Optical Head Specifications
Silicon optical head
Sensor element
Wavelength range
Power range
Applicable fiber type
Open beam
Uncertainty (accuracy) at reference conditions
Total uncertainty
Linearity (power):
at operating temp. range
Noise (peak to peak)
Averaging time (minimal)
Analog output
Maximum safe input power
Dimensions (H x W x D)
Weight
Recommended recalibration period
Operating temperature
Humidity
Warm-up time
1. Reference Conditions:
wave (CW)
Parallel beam, 3 mm spot diameter on the
center of the detector
Ambient temperature 23 °C ±5 °C
On day of calibration (add ±0.3% for aging
over one year, add ±0.6% over two years)
Spectral width of source <10 nm (FWHM)
Wavelength setting at power sensor
corresponding to source wavelength
±0.4 nm
Keysight 81618A/9A and Keysight 81620B/3B/4B/6B/8B Optical Heads User's Guide
All optical heads have to be operated with the single (Keysight 81618A) or
dual (Keysight 81619A) Interface Modules.
Table 4
1
2
2. Operating Conditions:
Keysight 81620B Optical Head Specifications
81620B
Si, Ø 5 mm
–90 dBm to +10 dBm
(600 nm to 1020 nm)
(600 nm to 1020 nm)
< ±0.15 dB
< 0.5 pW (700 nm to 900 nm)
Included
+16 dBm
57 mm x 66 mm x 156 mm
0.5 kg
2 years
Non-condensing
Parallel beam, 3 mm spot diameter on the
center of the detector or connectorized
For NA > 0.2 add 1%
Averaging time 1 s
Within one year after calibration; add 0.3%
for second year
Spectral width of source <10 nm (FWHM)
Wavelength setting at power sensor
corresponding to source wavelength
±0.4 nm
Specifications
3. Does not include noise; zeroing required;
for wavelength <1000 nm applies for
–50 dBm to +10 dBm
4. Averaging time 1 s, T = 23 °C ±5 °C,
5. For input power > 2 mW add
±0.004 dB/mW; zeroing required
3
35
Advertisement
Table of Contents
