Introducing the 2026 Optical Semiconductor Selection Guide: From UV to Extended SWIR
Whether you’re designing a medical diagnostic device, an autonomous vehicle LiDAR system, or a high-speed fiber optic link, finding the right optical semiconductor shouldn’t slow you down. That’s why we’ve published our 2026 Optical Semiconductor Selection Guide — a complete reference spanning our full lineup from UV to Extended SWIR.
From UV to SWIR: Single Photon to Multi-Gigabit
CEL offers a precision optical semiconductor lineup spanning LEDs, photodiodes, avalanche photodiodes, PD-TIA receivers, VCSELs, and integrated reflective sensors. One trusted source for sensing, measurement, and high-speed communication.
Complete Product Offering
LEDs
- Point Source LEDs
- Multi-Wavelength LEDs
- Parallel Beam LEDs
- Ultra Violet LEDs
- Red LEDs
- Infrared LEDs
- Plastic Mold Visible LEDs
- Plastic Mold Infrared LEDs
Photodiodes
- InGaAs Photodiodes
- InGaAs NIR Photodiodes
- Thermoelectrically Cooled InGaAs Photodiodes
- Photovoltaic Power Converters
- Si Photodiodes
- Photodiode Arrays
- GaAs Photodiodes
- Two-Tone Photodiodes
- GaN UV Sensors
PD-TIA Receivers
- InGaAs PD-TIA Receivers
- GaAs PD-TIA Receivers
Avalanche Photodiodes
- InGaAs Avalanche Photodiodes
- Si Avalanche Photodiodes
APD-TIA Modules
- InGaAs APD-TIA Receivers
Phototransistors
- Si Phototransistors
VCSEL
- 850nm VCSEL
Reflective Sensors
- SWIR Single-Wavelength Reflective Sensors
- SWIR Dual-Wavelength Reflective Sensor
View the Full Selection Guide
Applications Across Industries
CEL optical semiconductors are engineered for demanding environments — delivering unmatched sensitivity and response speed across a wide range of markets.
Medical — Pulse Oximetry
Multi-wavelength LEDs (660 nm + 940 nm) measure blood oxygen saturation through tissue, enabling accurate, non-invasive patient monitoring.
Industrial — Photoelectric Sensors
IR LED + photodiode pairs detect objects on production lines via through-beam and reflective configurations, supporting high-speed industrial automation.
LiDAR — Autonomous Vehicles
Si APDs and VCSELs enable real-time 3D mapping for self-driving cars, drones, and robotics — where precision and speed are non-negotiable.
Telecom — High-Speed Fiber Links
InGaAs APD-TIA modules deliver up to 10 Gbps sensitivity of -28 dBm for data centers and long-haul networks.
Building Automation — Smoke & CO₂ Detection
IR LEDs detect particle scatter in sensing chambers, triggering alarms when thresholds are exceeded — critical for safety in commercial and residential environments.
Quality Control — NIR Material Analysis
Dual-wavelength SWIR reflective sensors identify composition in food, pharma, and recycling operations, enabling real-time inline quality assurance.
Clinical & Research Labs — Spectrophotometers
UV and visible LEDs enable absorbance measurements for DNA/protein quantification, clinical chemistry, and diagnostic assays.
Safety & Security — Gas Detection
IR LEDs and APDs enable non-dispersive infrared gas analyzers detecting methane, CO₂, and hazardous gases in industrial and environmental monitoring.
Why CEL: Engineered for Demanding Environments
CEL optical semiconductors deliver unmatched sensitivity and response speed for critical light-sensing applications. Engineered with cutting-edge semiconductor technology, our detectors offer superior signal-to-noise ratio, high linearity, and broad spectral range.
From industrial automation to medical diagnostics and telecommunications, our precision components ensure accurate and reliable performance in demanding environments. We prioritize quality and innovation to power your next generation of sensing solutions.
Contact Information: support@cel.com