Laser power calibration circuit and system

By using adjustable resistor units and multi-stage amplifier circuit structures in lasers, the compatibility problem of lasers with different rated power was solved, improving production efficiency and accuracy.

CN224435576UActive Publication Date: 2026-06-30HANS PHOTONICS LASER TECH CO LTD

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
HANS PHOTONICS LASER TECH CO LTD
Filing Date
2025-04-22
Publication Date
2026-06-30

AI Technical Summary

Technical Problem

Existing technologies are difficult to adapt effectively to lasers with different rated powers, resulting in high production complexity and low production efficiency.

Method used

It adopts an adjustable resistor unit and a multi-stage amplifier circuit structure, and changes the gain by adjusting the resistance value to realize the laser power calibration circuit and system, which is compatible with lasers of various rated power.

Benefits of technology

It improves the efficiency and accuracy of laser production, reduces production complexity, and is compatible with lasers of different rated power.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN224435576U_ABST
    Figure CN224435576U_ABST
Patent Text Reader

Abstract

This application provides a laser power calibration circuit and system, including: a photoelectric sensor for detecting an optical signal emitted by a laser and converting it into an electrical signal; a first amplification circuit for amplifying the electrical signal to obtain a first voltage signal, the first amplification circuit including a first adjustable resistor unit, the magnitude of the first voltage signal being related to the resistance value of the first adjustable resistor unit; and a second amplification circuit for amplifying the first voltage signal to obtain a second voltage signal, the second voltage signal being used to calibrate the laser power, the second amplification circuit including a second adjustable resistor unit, the magnitude of the second voltage signal being related to the resistance value of the second adjustable resistor unit. The laser power calibration circuit of this application can adjust the overall gain of the circuit within a wide range, and can adapt to lasers with various rated power values, thus facilitating laser manufacturing and improving production efficiency.
Need to check novelty before this filing date? Find Prior Art