C

HP 81531A Speci￿cations

Sensor Element

In GaAs

Wavelength range

800-1700nm

Power range

+3 to -90dBm

Display resolution

 

dBm, dB

0.001

 

0.0001 on printout

 

Watt

0.01 to 10

 

(depending on power range)

 

 

Applicable ￿ber type

9/125￿m - 100/140￿m, NA￿0.3

Uncertainty (Accuracy)

62.5% (1000-1650nm)[1]

Total Uncertainty

65%61.5pW (1000-1650nm)[2]

Linearity

(0 to -70dBm)

18￿C to 28￿C const. temp

60.015dB61pW

0￿C to 55￿C const. temp

60.05dB61.5pW

Noise

<1.5pW (1200-1600nm)

peak-peak, avg. time 1sec

 

Dimensions

75mm H, 32mm W, 335mm D (2.8"21.3"213.2")

Weight

net 0.6kg (1.3lbs), shipping 1kg (2.2lbs)

Recalibration period

2 years

Warmup time

20 min.

Information on the traceability of power meters is available on request

[1]at the following reference conditions:

Power level 10￿W (-20dBm), Continuous Wave (CW).

Fiber 50￿m graded index, NA=0.2, fully excited.

Ambient temperature 23￿C65K.

Connector Diamond HMS-10/HP.

At day of calibration (add 0.3% for aging over one year, add 0.6% over two years).

Spectral width of source <10nm.

[2]at the following operating conditions:

Fiber ￿50￿m, NA ￿0.2.

For NA >0.2 add 1%.

C-2 HP 81531A Speci￿cations