Optical Power Meter
8250A
The 8250A is a bench-type optical power meter, which is most suitable for R&D and production of LDs, optical pickups, and drives for optical disks. It has 0.001 dB resolution and 5½-digit display and is also quipped with GPIB and USB interfaces as standard, allowing easy automated system establishment.
Nine kinds of optical sensors with various purpose (general-purpose, blue-violet, high-power, three-wavelength) and different shapes (thin-type, cylindrical-type) are available. The three-wavelength optical sensors 82314B, 82324B and 82314BW are capable of measuring 405 nm, 650 nm, 780 nm wavelength ranges. The blue-violet optical sensors 82312B and 82322B have realized a flat wavelength sensitivity characteristic and low dependency on an angle of incidence in the 405 nm range. The high-power optical sensors 82313B and 82323B enable high-power measurement of up to 200 mW.
Furthermore, the optical sensors for the TQ8210/TQ8215 series are also usable.
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Display resolution |
0.1 pW (display in W), 0.001 dB (display in dBm) |
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Accuracy (To be added to eash sensor accuracy) Conditoion: within 24 hours after offset zero execution, unit: W, 5½-digit display, CF=1 |
20 nW range |
±（0.55 %＋2000 digits） |
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200 nW range |
±（0.15 %＋200 digits） |
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2 μW to 200 mW range |
±（0 %＋70 digits） |
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Diplay |
VFD Wavelength display: 4 digits Power display: 5½ digits (Uni: mW, μW, nW, dBm or dBr) |
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Range switching |
Auto, manual or remote switching among 8 ranges |
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Measurement speed |
FAST: 10 readings/s, MED: 5 readings/s, SLOW: 2 readings/s FAST: 10 readings/s only for remote control via USB or GPIB and and hold or trigger measurement |
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Wavelength sensitivity correction |
Automatic correction of sensor wavelength sensitivity by wavelength setting (in 1nm step) |
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Interface |
Analog output, USB, GPIB |
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