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Specifications Tunable Laser Module Specifications
50 Agilent 81480A and 81680A, 40A, 82A, 42A, & 89A Tunable Laser Modules User’s Guide,
Sixth Edition
Agilent 81680A and Agilent 81640A
Agilent 81680A
Output 1
(Low SSE)
Agilent 81680A
Output 2
(High Power)
Agilent 81640A
Output 1
(Low SSE)
Agilent 81640A
Output 2
(High Power)
Wavelength range 1460 nm to 1580 nm 1510 nm to 1640 nm
Wavelength resolution 0.1 pm, 12.5 MHz at 1550 nm
Mode hop free tuning range 1460 nm to 1580 nm 1510 nm to 1640 nm
Absolute
wavelength accuracy
1, 2
± 0.01 nm ± 0.015 nm
Relative wavelength accuracy
1, 2
± 5pm, typ. ± 2pm ± 7pm, typ. ± 3pm
Wavelength repeatability
2
± 1 pm, typ. ± 0.5 pm
Wavelength stability (typ., 24 hours
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.
100 kHz
Effective Linewidth (typ.), coherence
control on
>50 MHz (1480 to 1580 nm, at maximum
flat output power)
>50 MHz (1520 to 1620 nm, at maximum
flat output 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)
≥ −5 dBm peak typ.
≥ −7 dBm
(1530-1610 nm)
≥ −9 dBm
(1520-1620 nm)
≥ −13 dBm
(1510-1640 nm)
≥ 4 dBm peak typ.
≥ 2 dBm
(1530-1610 nm)
≥ 0 dBm
(1520-1620 nm)
≥ −5 dBm
(1510-1640 nm)
Minimum output power
3
−13 dBm −3 dBm
(−60 dBm in atten-
uation mode)
−13 dBm −5 dBm
(−60 dBm in atten-
uation mode)
Power stability
3
± 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 ± 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
± 0.2 dB,
typ.
± 0.1 dB
± 0.3 dB,
typ.
± 0.15 dB
Side-mode Suppression ratio (typ.)
4,8
≥ 40 dBc
(1480-1580 nm)
≥ 40 dBc
(1530-1610 nm)