Specications
Denition of Terms
Absolute wavelength
accuracy:
Linewidth:
Maximum specied output
power:
Minimum output power:
The maximum dierence between the actual wavelength and the
displayed wavelength of the TLS. Wavelength is dened as
wavelength in vacuum.
constant power level, temperature within operating
Conditions:
temperature range, coherence control o.
with wavelength meter.
Measurement
The 3 dB width of the optical spectrum, expressed in Hertz.
temperature within operating temperature range,
Conditions:
coherence control o.
with heterodyning technique: the output of the laser
Measurement
under test is mixed with another laser of the same type on a wide
bandwidth photodetector. The electrical noise spectrum of the
photodetector current is measured with HP lightwave signal analyzer.
The maximum output power specied at a specic wavelength.
at the end of a patchcord.
Measurement
The minimum output power for which the specications apply.
C
Specications C-1