User`s guide
Specifications Specifications
Agilent 81560A, 81561A, 81566A, & 81567A Optical Attenuator Modules, First Edition 37
Specifications
Variable Optical Attenuator Modules
Agilent 81560A Agilent 81561A
Connectivity
1
straight connector angled connector
Fiber type 9/125
µm SMF28 9/125 µm SMF28
Wavelength range 1200-1700 nm 1200-1700 nm
Attentuation range 0-60 dB 0-60 dB
Resolution
0.001 dB 0.001 dB
Repeatability
2
±0.01 dB ±0.01 dB
Accuracy (uncertainty)
3
±0.1 dB
4
±0.1 dB
4
Settling time
5
typ. <100 ms typ. <100 ms
Insertion loss
6
typ. 1.7 dB typ. 1.7 dB
Polarization dependent loss
6,7
< 0.05 dBpp < 0.05 dBpp
Return loss
6
typ. > 45 dB typ. > 60 dB
Maximum input power
8
+ 23 dBm + 23 dBm
Shutter isolation typ. > 100 dB typ. > 100 dB
Dimensions (H x W x D) 75 mm x 32 mm x 335 mm (2.8" x 1.3" x 13.2")
Weight 0.9 kg
Recommended recalibration period 2 years
Operating temperature 10 °C - 45 °C
Humidity Non-condensing
Warm-up time 30 Min.
1
For Agilent's versatile optical connector interfaces
2
At constant wavelength, temperature, SOP
3
SOP constant; temperature constant and within 23 °C ± 5 °C; for input power ≤ +10 dBm attenuation
nominal
= attenuation
display
for input power > 10 mW and 1500 nm < λ < 1600 nm apply correction: attenuation
nominal
= attenuation
display
(1+0.0002 · (P[mW] - 10) ·
(λ[µm] - 1.5))
4
For λ= 1550 nm ± 15 nm and for input power ≤ +10 dBm; typically ± 0.1 dB for 1250 nm < λ < 1650 nm
5
For stepsize < 1 dB; for full range typically < 6 s
6
For λ = 1550 nm ± 15 nm with reference connectors
7
Temperature constant and within 23 °C ± 5 °C
8
Exposure time < 2h