4

BROADBAND (FABRY-PEROT ) WAVELENGTH LOCKER

Specifications

Parameter

50 GHz Free Spectral Range

Wavelength range

1520 to 1620 nm

Center wavelength

ITU grid (standard) or as specified

Maximum

Polarization dependent channel accuracy

Maximum

0.8 GHz

(included in total center channel accuracy)

Acquisition range (capture range) from nominal ITU center frequency

Typical

-30 to 12 GHz

Locking slope at ITU point

Typical

80 dB/nm

Typical

-25 to 7 dBm

Minimum

50 dB

Optical input power for damage

Minimum

10 mW (CW)

Photodetector calibration offset

Maximum

±2.5 dB

Photocurrent

Responsivity of reference (PD1)

0.16 to 0.32 A/W

Responsivity of etalon (PD2)

0.16 to 0.40 A/W

Photodetector dark current

Typical

Maximum

Temperature sensor supply voltage at 130 µA

5 to 30 V

Temperature sensor monitor

Typical

10 mV/°C

Package dimensions (W x H x D)

40 x 8.5 x 21 mm

Electrical pin spacing (center to center)

2.54 mm

Fiber type

SMF-28

Operating temperature

0 to 70°C

Storage temperature

-40 to 85°C

Humidity (noncondensing)

0 to 85% RH

Note: Data for temperature sensor reported at three temperatures at one wavelength (ITU 40). All three temperatures (0, 23 and 70°C) are ±3°C.

1. Calibrated at channel of use.

2. Approaching ±1.25 GHz with temperature sensor.

3. Connected with a five percent tap coupler.