LD-PD's compact DBR Laser Diode Driver is a compact all-in-one unit designed for convenience of use, and combines a user interchangeable mount for our DBR laser diode, a current driver and a TEC controller, all in a self-contained enclosure.Also we include Grating current interface and Phase current interface.This product includes a USB port and a software control application with a graphical user interface (GUI) for real-time device monitoring, control and data logging.
This Driver is used with either a 14-pin butterfly mount (provided with Type I, Type II and custom pin out routing boards) . The mounts are user-interchangeable and are sold separately from the base unit.
Name | Model | Description | Parameter | Price |
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Drive power function and parameters
Figure 1: Appearance of the drive power supply
Figure 2: Laser pin definition
Note: Gain, Grating and Phase share the third pin COM- as the negative pole, and the driving mode is CG (cathode grounding)
Absolute Maximum Ratings
Absolute Maximum Ratings
Laser section | Current Operation Range, C.W. (mA) | Absolute Maximum Ratings | |
Current ( mA ) | Voltage ( V ) | ||
Gain | 100-250 | 350 | 2.0 |
Rear Grating | 0-90 | 120 | 2.0 |
Phase Tuning | 0-5 | 10 | 2.0 |
Figure 3: Laser driving limit parameters
Parameters Table:
Item | Parameter | Remark | |
Voltage | 220VAC | ||
Power frequency | 50/60Hz | ||
GAIN Pole drive | GAIN drive signal source | inside/outside/insid e+outside | The default internal signal can be selected by the host computer |
Internal modulation signal period | DC or sawtooth wave | Sawtooth cycle 20-200ms | |
Maximum driving voltage | 5V | Over voltage protection4V | |
Drive current range | 0-300mA | Maximum limit300mA | |
External laser modulation signal Port input impedance | 5k | ||
External laser modulation signal Response frequency range | DC-500kHz | ||
External modulation signal Conversion factor | 100mA/V | ||
External modulation signal Maximum value | 3V | Internal limit 300mA corresponds to 3V | |
Grating pole drive | Driving signal source | external | BNC interface |
Maximum driving voltage | 5V | ||
Drive current range | 0-100mA | Maximum limit 100mA, fixed internally | |
External laser modulation signal Port input impedance | 5k | ||
External laser modulation signal Response frequency range | DC-500kHz | ||
External modulation signal Conversion factor | 100mA/V | ||
External modulation signal Maximum value | 1V | Internal limit maximum 100mA corresponds to 1V |
Driving signal source | External | BNC interface | |
PHASE pole drive | Maximum driving voltage | 5V | |
Drive current range | 0-7.5mA | Maximum limit 7.5mA, fixed internally | |
External laser modulation signal Port input impedance | 5k | ||
External laser modulation signal Response frequency range | DC-500kHz | ||
External modulation signal Conversion factor | 10mA/V | ||
External modulation signal Maximum value | 0.75V | The maximum internal limit is 7.5mA corresponding to 0.75V | |
GAIN current monitoring | GAIN current monitor output conversion factor | 10V/A | 100mA=1V |
GAIN Current Monitor Output Port Impedance | 1k | ||
TEC drive | TEC drive limit current (low) | 0.6A | Switch optional |
TEC Drive Limit Current (High) | 1.2A | ||
TEC maximum voltage | 5V | ||
NTC | 10k@25℃ | B value 3930 | |
Maximum laser protection temperature | 60.0℃ | If the protection temperature is exceeded, the power base will turn off the laser, turn off the TEC and lock it, and it can only be released by restarting the power supply after troubleshooting. | |
Minimum laser protection temperature | 2.0℃ | ||
Maximum laser set temperature | 50.0℃ | Panel buttons or host computer settings | |
Minimum laser set temperature | 5.0℃ | ||
Temperature protection window | 5℃ | The difference between the measured temperature and the set temperature exceeds 5°C, Automatically turn off the laser or prohibit the laser from turning on | |
Installation interface | Butterfly mount | ||
Panel display | Set temperature value; Actual temperature value; Laser voltage value; GAIN signal source; | ||
PC port | Type B USB interface, you can use the host computer to set the output parameters of the drive seat |