NK 2100nm 500mW CW Laser Diode (TO-18 Package) with Built-in PD — Suitable for Medical Aesthetics

Price range: €589 through €678

The NK 2100nm 500mW CW laser diode is a semiconductor laser device packaged in a TO18 housing with an integrated photodiode (PD) for monitoring and control. Designed for medical aesthetic applications, it delivers stable continuous-wave output with reliable performance and precise wavelength characteristics in the infrared spectrum.

The built-in photodiode enables real-time power monitoring, improving system stability and safety in medical laser equipment. Its compact TO package allows easy integration into handheld or module-based laser systems, making it suitable for a wide range of biomedical and aesthetic devices.

Manufactured in China under strict quality control, this laser diode ensures consistent output, high reliability, and long operational life when properly heat-managed.

Parameter Specification / Value
Brand NK
Model 2100nm
Product Type Laser Diode Chip
Series Laser Chip Series
Wavelength 2100nm
Output Power 500mW
Operation Mode Continuous Wave (CW)
Device Type Semiconductor Laser Diode
Technology Semiconductor
Package Type TO18
Package Structure Bar / TO Package
Mounting Type Direct Mount
Diode Type Semiconductor
Integrated PD Yes (Photodiode built-in)
Application Medical / Aesthetic Equipment
Supply Type OEM / ODM / Distributor / Retail
Production Year 2025
Origin Guangdong, China
Operation Orientation Clockwise (CW structure)
Wavelength Stability High stability under CW operation
Output Mode Single emitter
Power Monitoring Integrated PD for feedback control
Thermal Requirement Requires heat sink / thermal management
Packaging Reliability High reliability TO18 semiconductor encapsulation
Integration Suitable for compact medical laser modules

The NK 2100nm 500mW CW laser diode is a semiconductor laser device packaged in a TO18 housing with an integrated photodiode (PD) for monitoring and control. Designed for medical aesthetic applications, it delivers stable continuous-wave output with reliable performance and precise wavelength characteristics in the infrared spectrum.

The built-in photodiode enables real-time power monitoring, improving system stability and safety in medical laser equipment. Its compact TO package allows easy integration into handheld or module-based laser systems, making it suitable for a wide range of biomedical and aesthetic devices.

Manufactured in China under strict quality control, this laser diode ensures consistent output, high reliability, and long operational life when properly heat-managed.

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We offer comprehensive customization services for semiconductor laser chips and optical modules, covering the full process from design to mass production. With strong in-house R&D capabilities and advanced manufacturing facilities, we support customized wavelengths (630nm–3.0μm), power outputs (up to 180W), chip types, and packaging solutions such as COS, CS, F-mount, and stacked array modules. Our solutions are tailored for applications including LiDAR, industrial processing, medical aesthetics, and scientific research, ensuring high performance, reliability, and seamless system integration.

Contact us today to discuss your project and discover how our tailored solutions can meet your specific needs.

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