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Marktech Unveils Next-Generation High-Efficiency 25µm Red Dot RCLEDs for Ultraprecise Aiming with Low Power Draw

Marktech Optoelectronics, a leading designer and manufacturer of advanced optoelectronic components, proudly announces the release of its new high-efficiency 25µm diameter resonant cavity light emitting diodes (RCLEDs) with a peak emission at 650nm – setting a new benchmark for performance in precision optical targeting applications.

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

These latest 25µm “Red Dot” RCLEDs deliver a 33% increase in optical output power compared to previous generation devices under the same forward current and voltage conditions (If = 5mA, Vf = 2.1V), offering industry-leading efficiency without sacrificing footprint or compatibility. Ideal for battery-powered systems, the enhanced efficiency translates directly into longer operational life and superior beam clarity.

Available in two robust black surface mount packages – a 2.1mm x 2.1mm square SMD and a compact 1.5mm x 1.6mm SMD – these RCLEDs incorporate Marktech’s proprietary black encapsulation technology. This advanced packaging eliminates internal reflections and optical defects, ensuring a crisp, well-defined circular point source ideal for the most demanding optical applications.

“Our new high-efficiency 25µm red dot LEDs dramatically improve battery life while maintaining the sharpest, most precise point source in the industry,” said Vince Forte, CTO of Marktech Optoelectronics. “With virtually zero internal reflections and a well-defined beam profile, these RCLEDs provide an ultraclear aiming dot – critical for scopes, speed guns, pyrometers, viewfinders, and finderscopes where accuracy and clarity are non-negotiable.”

Deep UVC LEDs

Marktech’s red dot emitters are trusted in industries ranging from defense and aerospace to sports optics, medical diagnostics, and instrumentation. With U.S.-based manufacturing in Simi Valley, California, these components offer unmatched quality, reliability, and traceability.

Key Features:

  • Peak wavelength: 650nm
  • Aperture size: 25µm diameter
  • Output power: 33% higher efficiency at 5mA / 2.1V
  • Proprietary black encapsulant for virtually zero internal reflections
  • SMD package options: 2.1mm² and 1.5mm x 1.6mm
  • Made in the USA

Applications:

  • Red dot scopes & reflex sights
  • Optical alignment & targeting
  • Speed measurement (radar guns)
  • Non-contact thermometers & pyrometers
  • Camera viewfinders
  • Telescope finderscopes
  • Encoders and precision instrumentation
  • Laser diode replacement in short-distance (<1”) applications

MTSP-1418 Datasheet: https://specs.marktechopto.com/pdf/products/datasheet/MTSP-1418.pdf

Red Dot Product Page: https://marktechopto.com/led-emitters/red-dot-reticle-leds/

If your current products or new design projects could benefit from our new high-efficiency red dot point sources or illuminated reticles, then please reach out to us through the following:

About Marktech Optoelectronics

Founded in 1985, Marktech Optoelectronics, Inc. (www.marktechopto.com)(Marktech), is 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.

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