FS11427

Optical Test and Calibration Ltd

Registration number 02638435 Registered in England
Registered Address: 21-23 Campus Road, Listerhills Science Park,
Bradford, West Yorkshire, BD7 1HR, England
Telephone: +44 (0) 1274 393857 Fax: +44 (0) 1274 393336

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Fibre Optic

Optical Measurement

Measured Quantity	Measurement
Absolute Power	Direct traceability to -10dBm, -20dBm & -23dBm @ 850nm, 1300nm, 1550nm and 1625nm.
Other Power Measurements	Direct measurement to 1W at various wavelengths
Si Sensor Linearity	-5 to -85 dBm @ 850nm
Ge & InGaAs Sensor Linearity	+5 to -90 dBm @ 1300 & +10 to -90dBm @ 1550nm
Laser/LED Source Output Power	+5 to -70 dBm @ 850, 1300, 1310 & 1550nm
Laser/LED Source Output Stability	+5 to -70 dBm @ 850, 1300, 1310 & 1550nm
Centre/Peak Wavelength	480 to 1700nm
RMS/FWHW Spectral Half-Width	480 to 1700nm
Attenuation	0 to -70 dBm @ 850, 1300, 1310 & 1550nm
Fibre optical length	1m to 16km (1300/1550nm Singlemode fibre) 1m to 8km (850/1300nm Multimode fibre)
Fibre distributed loss	dB/km Singlemode fibre

Instruments

Measured Quantity	Measurement
Optical Power Meters	Linearity and absolute responsivity at all applicable wavelengths. Optional spectral response over: 480 to 1100nm in 1nm steps for Si sensors. 800 to 1700nm in 1nm steps for Ge or InGaAs.
Laser & LED Sources.	Peak and centre wavelength, RMS & FWHM spectral half-width, output power and stability.
Wavelength Meters	Dynamic range, power and wavelength accuracy
Erbium-doped Amplifiers	Amplification, polarisation dependence and noise
Fixed & Variable Attenuators.	Attenuation and insertion loss at standard wavelengths.
Loss Test Sets.	Attenuation accuracy, linearity and source characteristics.
Optical Spectrum Analysers, Monochromators and Spectrometers.	Wavelength over about 400 to 2000 nm. Dynamic range @ 632nm & 1523nm 1550nm. Power level accuracy & polarisation dependence @ 1550nm
Optical Time Domain Reflectometers.	Calibrated at each equipped wavelength for distance accuracy, attenuation accuracy, attenuation linearity, output power, spectral output and laser pulse widths.