Definition
The 980nm DFB (Distributed Feedback) laser is a semiconductor laser that employs a distributed feedback structure. Its peak wavelength is 980nm. Its working principle is based on a distributed feedback mechanism. By precisely controlling the grating parameters and current injection conditions, it can achieve laser output with high stability and precise wavelength control.
Feature
High stability
Precise wavelength control
High side-mode suppression ratio
Low threshold current
High PER
Fiber optic coupling design
Application
Optic communication
Optical sensing
LiDAR
Spectral analysis
Medical and bioscience
Specification
Parameters | Min | Typ | Max | Unit | Note |
Chip temperature | 20 | 25 | 40 | ℃ |
|
Forward current |
| 100 | 120 | mA |
|
Output power | 5 |
| 30 | mW |
|
Forward current @ 30mW |
|
| 120 | mA |
|
Forward voltage @ 30mW |
| 1.35 | 2 | V |
|
Current |
| 20 | 40 | mA |
|
Current of the monitor photodiode |
| 25 |
| µA |
|
Responsivity of the monitor photodiode |
| 0.3 |
| µA/mW |
|
Peak wavelength (optional) | 968 |
| 986 | nm | Accessibility can be achieved within the wavelength tolerance range when the power is greater than 30mW. |
Tolerance of peak wavelength |
|
| ±1 | nm |
|
Wavelength temperature tuning capability |
| 90 |
| pm/℃ |
|
Wavelength current tuning property |
| 1.5 |
| pm/mA |
|
SMSR | 40 | 55 |
| dB |
|
PER | 15 | 18 |
| dB |
|
Polarization degree |
| TE |
|
|
|
Absolute maximum rating
Parameters | Min | Max | Unit |
Forward current |
| 150 | mA |
Reverse voltage |
| 2 | V |
TEC current |
| 3 | A |
TEC voltage |
| 4 | V |
Chip operating temperature | 5 | 55 | ℃ |
Shell operating temperature | 0 | 70 | ℃ |
Monitoring photodiode bias voltage (optional) |
| 5 | V |
Pin soldering temperature (up to 10 seconds, maximum shell temperature 120°C) |
| 300 | ℃ |
Storage temperature | -40 | 85 | ℃ |
Fiber band radius | 3 |
| cm |
Typical performance (reference only)
Thermistor specifications
Parameter | Specification | Unit |
Type | NTC |
|
Resistance @ 25℃ | 10±0.1 | kOhm |
Beta 25-85℃ | 3435±1% | K |
Fiber specifications
Parameters | Value | Value | Unit |
Fiber type | HI1060 | PM980 |
|
Numerical aperture (typical value) | 0.14 | 0.12 |
|
Cut-off wavelength | 920±50 | 900±70 | nm |
Mode field (core) diameter | 6.2±0.3@1060nm | 6.6±0.3@1060nm | µm |
Cladding diameter | 125±1 | 125±1 | µm |
Coating (buffer) diameter | 245±15 | 245±15 | µm |
Casing (optional) | 900 | 900 | µm |
Connector | FC/APC | FC/APC |
|
Key | narrow | narrow |
|
Dimension
Ordering info
ZG | A | B |
Output power | Peak wavelength | |
5=5mW 30=30mW XX=others | 968=968nm 980=980nm 986=986nm XX=others |
joe@zg-photonics.com
0816 - 2384466
