Photon Center offers complete electrical and optical evaluation for photodetectors in the UV, visible, and IR regions.
Photodetectors are essential devices in various optical and electronic applications, as they convert light into electrical signals. These devices play a crucial role in diverse fields such as optical communications, infrared imaging, biosensors, and sensors in industrial and medical environments.
Photodetectors rely on a range of materials and components that exhibit specific optical response properties, including semiconductors, quantum dots, and thin films. Different types of photodetectors operate based on various principles, including photovoltaic effects, photoconductive effects, and avalanche multiplication, with each type offering distinct advantages depending on the application.
Improving the performance of photodetectors requires a deep understanding of the optical and electronic properties of the materials used, along with advanced manufacturing techniques. Thanks to ongoing technological advancements, photodetectors have become increasingly efficient and sensitive, opening up new avenues for innovations in applications such as smart lighting, wearable devices, and machine vision systems.
I-V measurements under different illumination intensities
Responsivity, detectivity, and external quantum efficiency (EQE)
Time-resolved photoresponse (rise and decay time)
Spectral response testing across custom wavelength ranges
Dark current and noise analysis for low-light applications
We support the development of photoconductive, photovoltaic, and hybrid detectors based on nanostructures and thin films.
Photon Center supports full optical–electrical analysis of photodetectors working across UV, VIS, and NIR regions. We test:
Photocurrent and photovoltage response under controlled illumination
Light on/off cycles for rise/fall time analysis
Responsivity (A/W) and external quantum efficiency (EQE)
Dark current and noise for low-light applications
Spectral response scanning using tunable monochromators
Bias-dependent photoresponse (I–V under light and dark conditions)
Applications include optical communication, biomedical imaging, flame detection, UV sensing, solar-blind detectors, and more.
Each sensing project includes:
High-resolution data curves (I–V, R–t, S–C, etc.)
Graphs of response/recovery times
Sensitivity and LOD calculations
Comparative plots for different gas types or light intensities
Custom reports with material-specific analysis and recommendations
Variable temperature and humidity testing
Pulsed or continuous exposure
Bias-controlled sensing
Multi-stimuli response (e.g., gas + light)
Device aging and drift monitoring
Multi-channel signal acquisition and real-time data logging
Gas leak detection and air quality monitoring
Environmental sensing and climate research
Medical breath sensors
Optical biosensors and wearable health tech
Photodetectors for security, communications, and UV sensing
Smart materials for IoT-based sensing networ