If the photograph is clicked, it grows.

HP 70951A /001 600-1700nm Optical Spectrum Analyzer
JPY600,000 1stock
opt880

Wave Length 600-1700nm Accuracy +-1nm +-0.3nm(User Cal)
Span 0.2nm-full Span Linerlity 0.05nm
Resolution 0.1-10nm
Input +30dBm +10dBm(0.05dB compression) Acc+-0.5dB resolution 0.01dB
Flatness +-2dB +-1dB(1250-1600nm) 0.25dB(1530-1570nm)
Sensitivity -90dBm(1200-1600nm) -75dBm(900-1200)
Dynamic Range -50dB (600-1700nm) -60dB(1250-1600nm)
Input Return Loss >35dB
Mono Chrometer Loss
850 nm <19 dB 1300 nm < 7 dB 1550 nm <10 dB
Monochromator Output
1250-1600 nm ±0.5dB 700-1600nm ±1.5dB 600-1700nm ±2.5 dB
Photodetector Input (power meter mode)
Acc+-5dB Max20dBm res0.01dB -95dBm
8Kg

opt001: Builtin programmable current source
Range 0 ±200 mA (source or sink)
Resolution 50 mA steps Accuracy ±2% ±50 mA
Clamp voltage (nominal) ±2.7 V
Noise density at 1 kHz2 <4nA/ ÃHz
Pulse Mode 10us-6.5ms res100ns