The latest optical sensors and detectors for 2026
Optical sensors and detectors are used in a number of commercial and research applications (Image credit: Andrew Berezovsky/Shutterstock.com)
Optical sensors and detectors are used in a number of commercial and research applications, including quality and process control, medico technologies, metrology, imaging and remote sensing.
The market for optical sensors and detectors
According to market intelligence firm, Precedence Research, the global optical sensor market is worth approximately $32.5bn in 2026, on its path to reach $68.61bn by 2034, with a compound annual growth rate (CAGR) of 9.90%. The company cites one of the key drivers as the rising demand for consumer electronics, such as smartphones, tablets, and smartwatches. These sensors enable key features such as screen brightness adjustment, fingerprint recognition, and advanced camera capabilities. Emerging technologies like augmented and virtual reality also rely on optical sensors for motion tracking and immersive experiences, and consumers are seeking more versatile and secure devices, pushing growth in the optical sensor industry.
Optical detectors too are experiencing growth, according to Fortune Business Insights, which predicts a market value of $26.78bn in 2026, growing toward $51.21bn by 2032, a CAGR of 11.5% during the period. Likewise, the firm attributes increasing demand for consumer electronics as the key driver for this.
Spectra Viewer from Chroma Technology
Chroma’s Spectra Viewer is a powerful, web-based tool for optical system design and spectral analysis. Built for engineers and researchers, it enables rapid visualization and comparison of spectral data across detectors, light sources, optical filters, and other spectral elements within a single interactive environment.
Users can overlay and analyse spectral curves to better understand how components interact within a system. By visualizing detector response and light source spectra alongside filter performance, users can better predict real-world system behavior and make more informed design decisions. This integrated view helps identify spectral overlap, optimize component selection, and reduce design iteration time.
Spectra Viewer also supports user-imported data, allowing custom components to be incorporated directly into the analysis. Whether developing new systems or refining existing ones, it provides a flexible and intuitive platform for modeling spectral performance and accelerating optical design workflows.
SPONSORED BY
What are optical sensors?
An optical sensor is a device that detects and measures light or changes in light to gather information about its environment. It converts light signals into electrical signals, enabling various applications. Optical sensors are used in consumer electronics, industrial automation, healthcare, and automotive industries. They can power features such as ambient light detection, proximity sensing, fingerprint recognition, and motion tracking. By leveraging technologies such as photodiodes, phototransistors, and fibre optics, optical sensors provide precise, non-contact measurement and analysis. Their versatility and accuracy make them ideally placed for applications in augmented reality, robotics, medical diagnostics, and environmental monitoring, driving innovation across multiple fields.
What are optical detectors?
An optical detector senses and measures light or electromagnetic radiation in the optical spectrum, including ultraviolet, visible, and infrared wavelengths. It converts light energy into electrical signals for analysis or further processing. Optical detectors are used in cameras, fibre-optic communication, medical imaging, and scientific instrumentation. Common types include photodiodes, phototransistors, and charge-coupled devices (CCDs). They are widely used in applications ranging from motion detection and environmental monitoring to industrial automation and consumer electronics.
Sensors and detectors on the market now
Vendors that offer sensor and detector technology include
AtGrating Technologies: Continues to lead in FBG fibre-optical sensors for stress and strain measurements. As of early 2026, the company has transitioned from component suppliers to providing complete integrated sensing ecosystems, particularly for AI-scale infrastructure.
Chroma Technology’s 2026 portfolio includes sputtered thin-film interference filters designed for remote sensing, machine vision, and medical diagnostics. Its filters are critical for maximizing signal strength and achieving superior out-of-band blocking in applications ranging from LIDAR and 3D mapping to hyperspectral imaging.
Excelitas: Recently expanded its portfolio by acquiring Luxium Solutions (Feb 2024), strengthening its capabilities in high-performance materials for AI data centers and medical devices. They provide photonic solutions ranging from Silicon and InGaAS PINs to Thermal IR Sensors for motion and gas detection.
Hamamatsu Photonics: Remains a global pillar in optical devices. The 2026 focus includes enhanced SiPMs and ultra-fast CMOS sensors for medical and scientific instruments.
HBK FiberSensing: Offers the NewLight optical sensor line, which remains a standard for structural health monitoring. Its FBG technology is now widely used in long-distance infrastructure monitoring due to its resistance to rust and humidity.
Laser Components: Manufacturer of dielectric coatings and APDs. Its Flexpoint radial laser module is currently a key tool for creating high-precision 3D models of industrial piping, detecting surface irregularities as small as 50µm.
Newport Corporation (MKS Instruments): Offers a variety of photodiode power sensors and laser power sensors. Under MKS Instruments, Newport has focused its 2026 roadmap on precision sensors for semiconductor manufacturing.
Photek: Specialises in vacuum-based tubes and camera systems for particle detection. They remain a primary supplier for ultrafast PMTs and advanced photon counting systems used in high-energy physics.
Photonis (an Exosens brand): In March 2026, its U.S. subsidiary was awarded a major $352M contract by the U.S. Army for advanced night vision solutions. It continues to develop high-end ion and photon detectors for mass spectrometry.
SensoPart: Provides vision solutions like the Visor vision sensors. The 2026 software updates have improved the "Smart Camera" functionality, allowing for faster autonomous setup in robotic assembly lines.
SmartSens Technology: A leader in CMOS image sensing. In 2026, the company is heavily focused on full-color night vision and stacked BSI processes for the automotive and security sectors.
Technica Optical Components: Continues to offer a range of FBG-based packaged sensors. They have expanded their custom OEM capabilities to support the rising demand for fiber optic components in the telecommunications and energy sectors.
This is not an exhaustive list. If you provide products or solutions for sensors and detectors and would like your company to be included, please let us know at: editor.electro@europascience.com.
