81682A Tunable Laser for the test of optical amplifiers and passive components
Agilent 81682A
Wavelength range 1460 nm to 1580 nm
Wavelength resolution 0.1 pm, 12.5 MHz at 1550 nm
Mode-hop free tuning range full wavelength range
Absolute wavelength accuracy
[1] [2]
±0.01 nm
Relative wavelength accuracy
[1] [2]
±5 pm, typ. ±2 pm
Wavelength repeatability
[2]
±1 pm, typ. ±0.5 pm
Wavelength stability
(typ., over 24 h at constant temperature)
[2]
< ±1 pm
Tuning speed (typ. for a 1/10/100 nm step) 400 ms/ 600 ms/ 2.8 s
Linewidth (typ.), coherence control off
Effective linewidth (typ.), coherence control on
100 kHz
> 50 MHz (1480 – 1580 nm, at max. flat output power)
Output power (continuous power during tuning)
for #003
[3]
≥ 8 dBm peak typ.
≥ 6 dBm (1520 –1570 nm)
≥ 2 dBm (1480 – 1580 nm)
≥–3 dBm (1460 – 1580 nm)
reduce by 1.5 dB
Minimum output power
with option #003
[3]
–3 dBm
–4.5 dBm (–60 dBm in attenuation mode)
Power stability
[8]
±0.01 dB, 1 hour
typ. ±0.03 dB, 24 hours
Power repeatability (typ.) ±0.01 dB
Power linearity/ with #003 (typ.)
[3]
±0.1 dB/ ±0.2 dB
Power flatness versus wavelength
with option #003
[3]
±0.2 dB, typ. ±0.1 dB
±0.3 dB, typ. ±0.2 dB
Side-mode suppression ratio (typ.)
[4]
[7]
≥ 40 dB (1480 –1580 nm)
Signal to source spontaneous emission ratio
[5]
[7]
≥ 45 dB/ nm (1520 – 1570 nm)
≥ 40 dB/ nm (1480 – 1580 nm)
≥ 35 dB/ nm (1460 – 1580 nm)
Signal to total source spontaneous emission ratio (typ.)
[6]
[7]
≥ 30 dB (1520 – 1570 nm)
Relative intensity noise (RIN, typ.)
[7]
–145 dB/Hz (1480 –1580 nm)
[1]
Valid for one month and within a ±5 K temperature range after automatic wavelength zeroing.
Wavelength Zeroing is an internal function that performs an automatic self-adjustment.
[2]
At CW operation. Measured with wavelength meter based on wavelength in vacuum.
[3]
Option #003: built-in optical attenuator.
[4]
Measured by heterodyning method.
[5]
Measured with optical spectrum analyzer at 1 nm resolution bandwidth.
[6]
Measured with optical spectrum analyzer.
[7]
Output power as specified per wavelength range.
[8]
Warm up time 1 hour
(40 pages)
(21 pages)
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