The CWDM diode laser module is comprised of an uncooled quantum well DFB laser chip,built-in InGaAs monitor photodiode,4-pin coaxial pigtail type or plug-in type package,single-mode fiber coupling device,SC/APC or FC/APC optical connector,and built-in optical isolator.Its light source covers a wide wavelength range from 1270nm to 1610nm,totaling 18 wavelengths.Other typical values for the CWDM diode laser module are ±3nm for the spectral range, spectral bandwidth less than 0.2nm, maximum operating current 35MA,and output power range from 1MW to 3MW.This series of product is most commonly used in the WDM light source and communication systems,CWDM analog communication systems,CATV return-path transmission systems,and other analog transmission systems.
其它产品
CWDM Diode Laser Module
Description
Optical & Electrical Characteristics
| Parameter | Symbol | Min. | Typ. | Max. | Unit | Test Condition |
| Rated Power | Po | 1 | - | 3 | mW | Ith+20mA |
| Threshold Current | Ith | 5 | - | 15 | mA | CW |
| Forward Voltage Drop | Vop | - | 1.1 | 1.5 | V | - |
| Cent Wavelength | λc | Note 2 | nm | Note 1 | ||
| Spectrum Width | Δλ | - | - | 0.2 | nm | CW, -3dB |
| Side-mode Suppression Ratio | SMSR | 35 | - | - | dB | - |
| Monitor Current | Im | 0.1 | - | 0.9 | mA | CW, Ith+20mA |
| Dark Current of Monitor | Id | - | - | 0.1 | uA | - |
| Optical Isolation | ISO | 30 | 40 | - | dB | 25°C |
| Frequency Range | F | 45 | - | 4500 | MHz | RI=50Ω |
| Cut-off Frequency (-3dB) | Fc | 6 | - | - | GHz | If=Iop |
| Relative Intensity Noise | RIN | - | -155 | -150 | dB/Hz | CW, If=Iop, f=4500MHz |
| RF Bandpass Flatness | BF | - | ±1.5 | - | dB | If=Iop, 45MHz-4500MHz, T=25°C |
Performance figures, data and any illustrative material provided in this data sheet are typical and must be specifically confirmed in writing by F-tone Networks before they become applicable to any particular order or contract. In accordance with the F-tone Networks policy of continuous improvement specifications may change without notice.
The publication of information in this data sheet does not imply freedom from patent or other protective rights of F-tone Networks or others. Further details are available from any F-tone Networks sales representative.
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