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Spectral Range Guide
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ALL Detectors

The broadest line of both silicon and InGaAs detectors commercially available.

InGaAs PIN PHOTODIODES

Indium Gallium Arsenide (InGaAs) PIN photodiodes are made using InGaAs/InP technology.

Silicon Photodetectors

Cutting-edge silicon photodetectors that excel in precise detection of light ranging in wavelength from 250nm to 1100nm

Quadrant & Array PhotoDiodes

Monolithic “quads” or quadrant photodiodes (QPDs) are 2 X 2 photodiode arrays with four planar diffused photodiode elements or segments.

Silicon Photo Transistors

Marktech offers a broad line of silicon photo Transistors in a variety of package types ranging from miniature metal can to ceramic packages.

Photoreflectors

Our High-Reliability Photoreflectors are sensors that contain both the LED emitter and photodetector functions within a single package.

Avalanche Photodetectors

Marktech Si APD’s offer low-level light and short pulse detections of wavelengths between 400 nm and 1100 nm.

UV Detectors

UV detectors are offered in a variety of TO metal-can type packages from TO-18 to TO-39 with special UV glass lens to insure optimum lifetime and the least amount of material degradation

OEM Custom Detectors

With the ability to detect light in the UV, visible, and infrared spectrums, photo detectors, photo transistors, and photodiodes are being used in increasingly more applications.

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ALL LEDs

Marktech offers the broadest range of emitters commercially available ranging from 235nm to 4300nm across the UV, visible, NIR, SWIR, and MWIR spectral ranges.

UV LEDs

Marktech offers the broadest range of UV LEDs commercially available ranging from 235nm to 400nm including UVA, UVB, UVC, and deep UVC LEDs.

Visible LEDs

Our advanced line of visible LED products is engineered to deliver high-quality, energy-efficient lighting solutions across various applications from 400nm to 700nm..

NEAR IR (NIR)

Our NIR LED wavelength range is typically from 700nm to 1000nm, extending into wavelengths invisible to the human eye but crucial for numerous technological and scientific applications.

SWIR & MWIR LEDs

Our standard product offering includes wavelengths from 1020nm to 4300nm and operating currents ranging from 20mA to 350mA for high-power applications.

Point Source Emitters

Our Point Source LEDs are specifically engineered for optical encoders, edge sensors, and other critical applications that demand highly focused light with minimal dispersion.

MULTIple WAVELENGTH

Multi-LED chips in a single package, our multiple wavelength LEDs are engineered to address a myriad of applications across the UV, visible, NIR, SWIR, and MWIR spectral ranges

rED dOTS & rETICLES

Designed to produce a highly defined red dot or reticle, facilitating accurate aiming without revealing the location to the target.

Photoreflectors

Ideally suited for applications including edge sensing, line sensing, coin bill validation, and bar code reading

LED Backlighters

Our panels are crafted to deliver uniform, vibrant illumination across a wide range of applications, from consumer electronics to industrial displays.

LED Light Rings

Crafted with the latest LED technology, these rings provide adjustable illumination to meet specific needs, ensuring optimal visibility and enhancing the quality of your projects.

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All CREE LEDs

As a proud CREE LED Solution Provider for over a decade, Marktech offers comprehensive engineering support, including design, binning, and material selection, alongside custom packaging options for specialized applications.

CREE LED
Throughhole LEDs

CREE LED through-hole emitters, designed for high-temperature and moisture environments with UV-resistant optical-grade epoxy, offer a range of colors for versatile applications in signage and lighting.

CREE LED Surface Mount

CREE High Brightness (HB) SMD LEDs are the brightest, most reliable architectural, video, signage, scoreboard, roadway, and specialty LEDs available today.

CREE LED P-4 Devices

CREE LED’s P4 series represents a leap in LED design, combining efficiency with aesthetic versatility to meet the demands of modern lighting applications.

CREE LED Starboards

Marktech’s CREE LED XLamp® offerings on aluminum core starboards simplify LED integration for designers, providing a range of colors and angles on compact boards for easy testing and implementation in varied lighting applications.

CREE LED Metal Cans

Marktech Optoelectronics introduces its new product line of CREE LED die, including the EZ1350 Series Die, packaged in TO-cans (TO-18 and TO-39 outlines) designed for precision and reliability in demanding applications with protection against environmental factors like moisture and dust.

CREE LED Chips

CREE LED’s Versatile InGaN-based LED chips are designed to meet diverse needs for blue, green, and white-converted LEDs.

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OEM Engineering

Marktech Optoelectronics combines over 40 years of expertise in optoelectronics with a focus on customized engineering solutions, addressing specific customer needs and applications. 

OEM Custom Detectors

Custom photodiode detectors are designed to meet unique customer requirements, offering specialized performance features and cost savings through optimizations such as integrated filters, photodiode arrays, and hybridization.

Custom LED Devices

Through our vertically integrated manufacturing facilities in California and Japan, we offer custom LED solutions, including packaging and optoelectrical categorization, enhancing product design and market readiness.

Multiwavelength

Multiple LED dies combined in a single package are engineered to address various applications across the UV, visible, NIR, SWIR, and MWIR spectral ranges.

OEM Custom Packaging

To succeed, you need the exact optoelectronic package custom-designed and manufactured for your application, including hermetic metal SMD, TO-can, plastic SMD, and molded through-hole packaging.

OEM Custom Die and Wafers

Made-to-order semiconductor chips (die) and wafers are designed and fabricated to fit your needs. Standard dies are available in specific wavelengths for high-volume production applications.

OEM Assemblies

Bare and encapsulated LEDs, photodiodes, and other components are assembled on FR4, metal-cored, and flexible circuit boards, ready for production.

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Blog

Learn about the latest trends, devices, and potential applications.

News & Press

The latest news and announcements from Marktech Optoelectronics.

Application Notes

Detailed information about common uses for Marktech Optoelectronics devices.

Technical Articles

In depth discussions on LEDs, Detectors and the science behind them.

Optoelectronics Glossary

Become familiar with common terminology and concepts for LED Devices.

Photodiodes Glossary

List of common concepts and definitions for Photodiodes.

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Author: gkardys

UVC Safety and Compliance for OEMs

Image of viruses and blue illumination

Technical BriefBy Gary Kardys, CMO Using UVC as a “miracle sterilizer” without accounting for efficacy, safety standards, exposure limits, regulatory constraints, and proper engineering controls is risky. You’ll want to ensure any proposed UVC‑based product — whether for air disinfection, surface sterilization, water purification, medical device sanitization, or OEM integration — is carefully specified, tested, […]

Marktech Optoelectronics Breaks New Ground with Expanded Large-Area Silicon Photodiode Portfolio

Small image of variety of Marktech West silicon photodiodes

Industry-Leading Active Areas Enable Breakthrough Performance in Precision Optical Sensing LATHAM, NY – January 6, 2026 – Marktech Optoelectronics, a pioneer in advanced photodetector and optoelectronic solutions, today unveiled a dramatic expansion of its silicon photodiode platform, setting new standards for sensitivity and optical capture in demanding applications from spacecraft navigation to atomic-scale microscopy. The […]

Marktech Introduces Next-Generation Silicon Photodiodes Pairing Spectral Selectivity with Speed and Sensitivity

Images of New SiPDs with minimal-to-no visible-light sensitivity (MTD3910GC-F3 & MTD3910G-F3) and a blue-green-optimized device with 525 nm peak responsivity (MTD5052D3)

New SiPDs with minimal-to-no visible-light sensitivity (MTD3910GC-F3 & MTD3910G-F3) and a blue-green-optimized device with 525 nm peak responsivity (MTD5052D3) Marktech’s new 25µm aperture 650nm peak wavelength red dot LEDs. (Left)- 2.1mm square SMD and (Right) 1.6mm x 1.5mm super compact SMD Latham, NY & Simi Valley, CA — November 21, 2025 — Marktech Optoelectronics, Inc. […]

New Transfer-Molded LED and Photodiode Packages Enhance Optical Performance and Reliability – Available in 2026 from Marktech Optoelectronics

Image of Prototype LED or Photodiode Transfer Molded Package (under development)

Coming soon in 2026 – Advanced Transfer Molded Optoelectronic Packaging Prototype Transfer Molded Package (under development) Latham, NY, and Kawasaki-Shi, Japan — January 6, 2026 Marktech Optoelectronics and their manufacturing partner Optrans Corporation are introducing new transfer-molded photodiode and LED packaging capabilities, currently under development and scheduled for first customer availability in Q2 2026. These […]

Marktech’s NEWEST Photodiodes and LEDs – Now Available on DigiKey

Marktech Optoelectronics announces the release of its latest optoelectronic components—now in stock at DigiKey. The updated lineup includes UV, visible, NIR, and SWIR LEDs, along with advanced photodiodes for demanding detection applications. Designed for precision sensing and emission tasks, these components serve medical, industrial, aerospace, and environmental markets. Solar-blind SiC detectors with increased active area […]

Marktech’s CTO, Vince Forte, Presents on Multi-chip Emitter-Detectors at the Photonics Media Sensors and Detectors Summit

If you are attending the online Photonic Media’s Sensors and Detectors Summit on Wednesday November 13th, 2024, please listen to the presentation, “Multi-Chip Detector-Emitter Packages and Their Applications” delivered by our Chief Technology Officer, Vince Forte. The summit highlights breakthroughs and exciting new optoelectronics technologies impacting the sensors and detectors industry worldwide. https://events.photonics.com/Event.aspx?EID=25&OC=OM Vince’s presentation […]

See Us at Sensor Expo Japan 2024

If you are attending SENSOR EXPO JAPAN 2024 in September, stop by our booth (#S-20) from September 18th to 20th at the Tokyo Big Sight East Hall 2 in Tokyo, Japan. SENSOR EXPO JAPAN is a world-renowned event that showcases the latest products from sensing technology industry leaders around the world. Marktech is co-exhibiting at […]

Marktech Expands their Multi-chip Product Line with Multi-Wavelength SWIR LEDs and a 2.6µm InGaAs Detector in One Package

Marktech MTMD34679PD6T38 – SWIR multi-chip emitter-detector with multiple wavelength LEDs April 23, 2024 – Latham, NY, USA –  Marktech Optoelectronics, Inc. (www.marktechopto.com)(Marktech), a privately-held leading designer and manufacturer of standard and custom optoelectronics, including UV, visible, near-infrared (NIR), and short-wavelength infrared (SWIR) emitters, detectors, InP epi wafers, and other compound semiconductors, today reveals their new […]