Low Power 638nm Red Multimode Fiber-coupled Laser Module for Medical Blood Detection

638nm Red Multimode Fiber-coupled Laser Module for Medical Blood Detection The 638nm red multimode fiber-coupled laser module delivers precise performance for diverse scenarios, with a primary focus on medical blood testing and wide applications in biotechnology detection, fluorescence excitation, and other professional fields. It features dual FC/SMA interfaces to flexibly accommodate various device connection needs, while its optical output power is stably controlled between 0.1-0.2mW, paired with a 4.5um core diameter design to ensure beam transmission accuracy and consistency. Boasting a compact size of 49.7×111.84mm, the module enables easy integration and installation. It achieves a coupling efficiency exceeding 15% for efficient and reliable energy transmission, and fully complies with RoHS environmental standards to balance high performance with eco-friendly manufacturing requirements. Core Specification : Wavelength 638nm Output Power 0.1-0.2mW Working Voltage 3.3V Fiber Core Diameter 4.5um Coupling Efficiency >15% Housing Size 49.7*111.84mm (Customizable) Lifespan  10,000 hours Product Display :   Our Services : We have over 15 years of experience with Lasers. We offer professional OEM& ODM service for laser modules from 375nm to 1064nm! Item Parameter Wavelength 375-405nm 425-488nm 515-520nm 635-670nm 780-980nm Single Diode  Module Optical Power 20mW-3W 20mW-3W 10mW-1.6W 5mW-2.5W 5mW-75W Multi Diodes Module Optical Power 3W-200W 6W-500W 1.6W-50W 2.5W-30W 75W-100W Operating Voltage 3-5V/6V/ 12V/ 24V/ 30V/ 110V/ 220V/ 240V etc. Beam Mode Dot/ Line/ Cross/ Grid/ Muti-lines/ DOE etc. Fan Angle Options of the Line Beam 5°/10°/15°/20°/25°/30°/45°/60°/90°/110°/130°/180° etc. Optical Lens Acrylic lenses, glass lenses, wave lenses, Powell lenses etc. Dimension 4*8mm/ 6*10.5mm/7*15mm/9*21mm/16*66mm/ 33*33*55mm/ Customizable etc. CDRH Class class1/class2/class3A/class3B/class4