81480A Tunable Laser
Agilent 81480A
Wavelength range 1370 nm to 1480 nm
Wavelength resolution 0.1 pm, 15 MHz at 1450 nm
Mode-hop free tuning range
[9]
full wavelength range
Absolute wavelength accuracy
[1] [2] [9]
±0.01 nm
Relative wavelength accuracy
[1] [2] [9]
±5 pm, typ. ±2 pm
Wavelength repeatability
[2][9]
±1 pm, typ. ±0.5 pm
Wavelength stability
[9]
(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 (1420 - 1470 nm), at maximum flat output power)
Output 1 (low SSE) Output 2 (high power)
Output power
[3]
(continuous power during tuning)
> -4.5 dBm peak typ
> -7 dBm (1420 – 1470 nm)
> -13 dBm (1370 – 1480 nm)[9]
> +5.5 dBm peak typ
> +3 dBm (1420 - 1470 nm)
> -3 dBm (1370 - 1480 nm)[9]
Minimum output power
[3]
-13 dBm -3 dBm
(-60 dBm in attenuation mode)
Power stability [3] ±0.01 dB, 1 hour (1420nm-1480nm)
typ. ±0.01 dB, 1 hour (1370nm-1420nm) [9]
typ. ±0.03 dB, 24 hours
Power repeatability (typ.) [3][9] ±0.01 dB
Power linearity [3] ±0.1 dB (1420nm-1480nm)
typ. ±0.1dB (1370nm-1420nm) [9]
±0.3 dB (1420nm-1480nm)
typ. ±0.3 dB (1370nm-1420nm) [9]
Power flatness versus wavelength
[3] [9]
±0.2 dB, typ. ±0.1 dB
(1420-1480nm)
±0.2 dB typ (1370nm-1420nm)
±0.3 dB, typ. ±0.2 dB
(1420nm-1480nm)
±0.3 dB typ (1370nm-1420nm)
Side-mode suppression ratio (typ.)
[4] [8] [9]
> 40 dB (1380 - 1480 nm)
Signal to
source spontaneous emission ratio
[5] [8]
> 61 dB/nm
[7]
(1420 – 1470 nm)
> 55 dB/nm
[7] [9]
(typ., 1370 – 1480 nm)
> 40 dB/ nm
(1420 – 1470 nm)
> 35 dB/ nm
(1370 – 1480 nm)
Signal to total
Source spontaneous emission ratio
[6] [8]
> 58 dB
(1420 – 1470 nm)
[7]
> 53 dB
(typ., 1370 - 1480 nm)
[7] [9]
> 28 dB
(typ., 1420 - 1470 nm )
Relative intensity noise (RIN, typ.)
[8]
-145 dB/Hz (1420 - 1470 nm)
[1] Valid for one month and within a ±5 K temperature range after automatic wavelength zeroing.
[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] wavelength must not be equal to any water absorption line
continuous sweep mode 81480A
mode-hop free span 1420-1470nm at flat output power >=0 dBm
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