Laser and optoelectronic control
Laser Power Supply: Low-noise drive and current limiting protect the load while determining power stability and modulation fidelity.
Laser Power Supply
| PSU -A-D & PSU-SR | ||
|---|---|---|
| Features: PWM switching mode, high efficiency and fast response; High impedance of modulation port, use low current TTL signal control switch; Temperature closed-loop controls it close to zero drift; Multiple options for power regulation: digital knob or 0-5V analog signal; Overcurrent, overvoltage and overheat protection included; Equipped with temperature linkage alarm, automatically stop control; With OLED display, switch power and modulation mode easily; Integrated RS232 option provides communication protocol; High stability, high anti-interference, low noise; High efficiency, low heat. Customization available on request. | ||
| Specifications | ||
| Model | PSU-A-D | PSU-SR |
| Maximum output current (constant current source) | 3A | 10A |
| Maximum output voltage | 5V (with function of self-adapting diode laser voltage) | 12V (with function of self-adapting diode laser voltage) |
| Current adjustment range | 0-3A | 0-10A |
| LCD display | Current/ Power | |
| Temperature control function (dual PWM controlled refrigeration) | LD refrigeration & Crystal refrigeration | |
| Temperature control method | Thermal Electronic Cooler (TEC) + air cooling | |
| Thermistor (NTC) | 10K@25℃ | |
| Precision of temperature control | ±0.05℃ | |
| Protection function | Open circuit, Overcurrent, Overheat | |
| Defensive function | Surge, ripple and spike protection, anti-static | Anti-surge, anti-ripple, anti-spike and anti-static |
| Alarm function | Alarm LED light up, LD current off | |
| Operating mode | TTL/ Analog | |
| Power supply input voltage | AC 100-240V | |
| RS232 control optional | Connect computer to control laser power and monitor laser working state. | |
| Rated power of power supply | 15W | 40W |
| Dimensions | 162(L) 144 W) × 70(H mm 3 | 152 L) × 145 W) × 80(H mm 3 |
| Application | Suitable for diode and all solid state lasers with voltage within 5V and current within 3A | Suitable for diode and all solid state lasers with voltage within 12V and current within 10A |
| Warranty | 1 Year | |
| Datasheet |
Application context
Why this design is used
Application fit depends on the ordered configuration; catalog values are separated from fields that still require confirmation.
Automated laboratory timing
Laser Power Supply: Known trigger levels, latency and duty-cycle limits allow the controller to synchronize with cameras, shutters and acquisition electronics.
Engineering reference
Specify Laser Power Supply from the interfaces inward
Laser Power Supply is a configurable electronic driver or controller in the Laser components and accessories family. The final part number should be released only after the optical, mechanical, electrical and environmental fields below are matched to the intended instrument.
A driver or controller is selected against the electrical load and required optical behavior, not by connector appearance. Output range, noise, modulation bandwidth, protection functions and thermal interfaces must match the connected diode, modulator, stage or switch.
Selection guidance describes the engineering fields that must be checked. It does not assign an option-dependent value that is absent from the catalog record.
Configuration fields to confirm
- Controlled load
- Identify the exact device, maximum current or voltage, impedance and any capacitive or inductive behavior.
- Output range
- Confirm continuous and peak output, compliance limits and resolution.
- Noise and stability
- Set ripple, drift and current or voltage noise over the measurement bandwidth.
- Modulation and trigger
- Define analog or TTL levels, frequency range, duty cycle, edge polarity and timing.
- Protection
- Confirm current limit, soft start, over-temperature response, interlock and behavior after power loss.
- Interface and cooling
- Verify pinout, communications, supply input, package mounting and heat removal.
Qualification sequence
- 1Define the measurement objective and the performance limit that Laser Power Supply must satisfy.
- 2Freeze wavelength, mechanical, fiber and electrical interfaces before selecting option codes.
- 3Check loss, noise, heat, motion or vibration contributions in the complete system budget.
- 4Confirm the final drawing, pinout, environmental suffix and acceptance test with the quotation.
Technical FAQ
Configuration questions for Laser Power Supply
What must be specified before ordering Laser Power Supply?
Confirm controlled load, output range, noise and stability, modulation and trigger, protection, and interface and cooling. These fields are coupled, so the final part number should be checked against the complete instrument rather than selected from the model name alone.
How should Laser Power Supply be integrated into the system?
A driver or controller is selected against the electrical load and required optical behavior, not by connector appearance. Output range, noise, modulation bandwidth, protection functions and thermal interfaces must match the connected diode, modulator, stage or switch. Freeze the optical, mechanical and electrical interfaces before releasing the surrounding assembly.
Which documentation should be approved for Laser Power Supply?
Approve the configuration-specific specification, mechanical drawing, connector or pinout definition, environmental suffix and acceptance-test limits supplied with the quotation. Any field absent from the local record remains a confirmation item, not an assumed capability.