81680A Tunable Laser for the test of critical dense-WDM components
Agilent 81680A
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., 24 h at const. temp.)
[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 ctrl. on
100 kHz
> 50 MHz (1480 –1580 nm, at maximum flat output power)
Output 1 (low SSE) Output 2 (high power)
Output power
[3]
(continuous power during tuning)
≥ –4 dBm peak typ.
≥ –6 dBm (1520 –1570 nm)
≥ –10 dBm (1480 –1580 nm)
≥ –13 dBm (1460 – 1580 nm)
≥ 6 dBm peak typ.
≥ 5 dBm (1520 – 1570 nm)
≥ 1 dBm (1480 – 1580 nm)
≥ –3 dBm (1460 –1580 nm)
Minimum output power
[3]
–13 dBm –3 dBm
(–60 dBm in attenuation mode)
Power stability
[3] [9]
±0.01 dB, 1 hour
typ. ±0.03 dB, 24 hours
Power repeatability (typ.)
[3]
±0.01 dB
Power linearity
[3]
±0.1 dB ±0.3 dB
Power flatness versus wavelength
[3]
±0.2 dB, typ. ±0.1 dB ±0.3 dB, typ. ±0.15 dB
Side-mode suppression ratio (typ.)
[4] [8]
≥ 40 dB (1480 – 1580 nm)
Signal to source spontaneous emission ratio
[5] [8]
≥ 63 dB/ nm
[7]
(1520 – 1570 nm)
≥ 58 dB/ nm
[7]
(typ., 1480– 1580 nm)
≥ 53 dB/ nm
[7]
(typ., 1460 – 1580 nm)
≥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
[6] [8]
≥ 60 dB
(1520 – 1570 nm)
[7]
≥ 50 dB
(typ., 1460 – 1580 nm)
[7]
≥ 30 dB
(typ., 1520 – 1570 nm )
Relative intensity noise (RIN, typ.)
[8]
–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]
Applies to the selected output.
[4]
Measured by heterodyning method.
[5]
Measured with optical spectrum analyzer at 1 nm resolution bandwidth.
[6]
Measured with optical spectrum analyzer.
[7]
Measured with Fiber Bragg Grating to suppress the signal.
[8]
Output power as specified per wavelength range and output port.
[9]
Warm up time 1 hour
(40 strony)
(21 strony)
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