Knowledge - Hangzhou Brolight Technology Co., Ltd.

White Paper: How BRM-6103 20A CW Laser Diode Driver Achieves Instantaneous Continuous Laser Current Response with Feedforward Control (FFC)

2026/07/09

In the field of continuous laser driving, we are accustomed to the "diligence" of PID controllers—constantly measuring deviations, readjusting, like a runner forever chasing a target. Howev...

Application Note: From Bare Die to Module – BRM-6301 Divergence Angle Test Guide for Light Emitters

2026/07/03

— One Test Platform for All Packaging Levels, from Divergence Angle to Full Device CharacterizationOverviewIn optical communications, LiDAR, industrial processing, medical aesthetics, and many other ...

Application Note: Accurately Measuring Sub-Nanosecond Optical Pulses: BIM-780X High-Speed Photodetector

2026/06/22

- 2GHz Bandwidth, 200ps Rise Time, Enabling Time-Frequency Domain Testing of Q-Switched and Mode-Locked LasersIntroductionIn fields such as laser technology, nonlinear optics, and optoelectronic devic...

BRM-620X Temperature Controller: Keep Your Photonic Device at Your Desired Temperature

2026/06/19

Product Essence: Precision Current Source with PID FeedbackThe BRM-620X series temperature controller is essentially a precision current source with PID feedback control, designed specifically to driv...

BRM-760X Narrow Linewidth Laser: A Pure, Stable Monochromatic Coherent Light Source, the Ideal Partner for Raman Spectroscopy

2026/06/11

Product Essence: High-Quality Coherent Excitation SourceThe core characteristic of the BRM-760X series narrow linewidth laser is “purity” – linewidth < 0.1nm, power stability ±2%, and built-in ...

BIM-730X Wireless Optical Power Meter: Precisely Tell You How Strong a Light Beam Is

2026/06/03

Product Essence: Portable Light Power MeasurerThe core value of the BIM-730X series wireless photodiode power meter lies in its wireless + portable design. Weighing only about 100g, with a pocket-frie...

BRM-650X Grating Monochromator: Extracting Pure Monochromatic Light from a Broadband Source

2026/05/27

Product Essence: Wavelength Selector, Not Just a SpectrometerMany users, when first encountering a monochromator, tend to equate it with a "spectrometer" (an instrument that analyzes which w...

Photonics Instruments: Selection & Application Guide

2026/05/21

In photonics experiments and product development, four fundamental types of instruments are almost ubiquitous: you need to obtain light of a specific wavelength (m...