Optical confocal testing system, an integrated low-temperature confocal testing solution, including confocal microscopy imaging, Raman spectroscopy, and magneto-optical Kerr function modules
Optical confocal testing system
Integrated low-temperature confocal testing solution, including confocal microscopy imaging, Raman spectroscopy, and magneto-optical Kerr functional modules

Optical confocal testing system components

System Components -01 Stackable optical functional module
>>Fluorescence/Raman spectroscopy module
Integrated fluorescence/Raman spectroscopy testing optical path, which can be directly installed on the confocal sample rod

Product Highlights
- Fiber based confocal scanning test, available with fiber core diameters of 4, 10, 25, 50, 100, 200 μ m;
- Optical components can be replaced to adapt to applications of different wavelengths;
Kohler lighting method achieves a large/uniform illumination range of Φ FOV~30 μ m;
- Integrated CMOS camera with Type-C interface;
-1 "or 0.5" optical components can be manually rotated and installed

>>Magneto optic Kerr module
Integrated magneto-optical Kerr (MOKE) testing optical path, which can be directly installed on the confocal sample rod

Product Highlights
A testing device can achieve two characterization methods: image contrast and PEM lock-in;
- PEM+lock-in achieves ultra-high precision single point measurement;
Wide field imaging mode and modulation mode improve the sensitivity of hysteresis loop measurement
- Using a motor to precisely control the rotation angle and accurately align the polarizer and PEM

>>Magneto optical Kerr photoelastic modulator PEM
Compact optical modulator that can be installed on confocal modules or used as a standalone device


System Components -02 Co polymer sample rod


System Components -03 Low temperature optical objective lens


System Components -04 Sample installation
Flexible and convenient sample installation method for achieving optoelectronic joint testing

System Components -05 Nano motion unit








Duochang Low Temperature Technology (Beijing) Co., Ltd2017yearofficially operational,in2021The team has relocated as a whole to Huairou Science City Industrial Park;And the company isObtained the qualification of high-tech enterprise in 2020,2023obtainBeijing Specialized, Refined, Unique and New Enterprisecertification.
Multiple technologies actively promote technological extension and rapidly developtallHorizontal full environment ultra precision piezoelectric motion control andcomprehensiveThe physical property characterization methods have formed a modular full category ultra precision motion control and a series of physical property characterization products covering all aspects of force, heat, sound, and light. We have also launched integrated solutions such as a comprehensive physical property characterization platform that integrates multiple advanced technologies. Our company's products have served over a hundred universities and research institutions both domestically and internationally.