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Since the proper wavelengths are critical in matching both LED emitters and detector we are pleased to present the Marktech Spectrum Selector Guide©.

Whether you are simply using an LED as a visible light source (such as a VMS sign) or to detect the chemical properties of various materials, understanding what wavelengths work best is crucial. Marktech with almost 30 years' experience in the optoelectronic industry helps make things a bit simpler by presenting our spectrum selector guide.

The guide is organized by the spectrum range beginning at the 265nm UV (ultra violet) range and going up to 2600nm (shortwave infrared). There are three product categories beginning left to right, Detectors, Emitters and High Brightness LEDs. Marktech groups its various products by wavelengths under each category. By simply clicking each button on either side of the spectrum a listing of all our products that correspond to these wavelengths will appear. In addition next to each part number we have attached the spec sheet and a link (if applicable) to Digi-key to obtain samples.

Related Resource: Spectral Range



UV Emitters

Marktech continues to expand its line of Ultra Violet Emitters to its product line. Our devices include lower wavelengths beginning at 280nm and running up to 420nm. These emitters are available in a large assortment of metal cans, plastic and service mount packages as well as custom assemblies (see our Customization section) and materials (see our material section) to match application requirements. UV Emitters are widely used in sensing applications, which include airport identification and inspection equipment, currency validation, and medical sensing. Additional applications include sanitation and water purification for UV-C type emitters.

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Visible Emitters

Marktech offers three series of high reliability metal can packages and plastic emitters all in the visible range. These include Hermetic cans that incorporate Cree's robust LED die. Our "Cree in a Can" devices combine Cree's highly efficient InGaN materials with proprietary substrates to deliver superior performance for high intensity LEDs. This series includes TO-5, TO-18 and TO-39 packages on flat or domed lenses. Marktech's manufactured line of metal cans highlight our precise centering capabilities within each package, which is a key component to critical illumination, machine vision, and scanning applications. Marktech can also customize our emitters to your specific needs including wavelengths and power output.

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Near IR Emitters

Marktech specializes in customizing components and assemblies for your specific application. Our near IR chips are interchangeable with multiple packages and can be tested for any optical and/or electrical parameter to fit your needs.

Our 870nm and 940nm near IR emitters top the most popular LED products list, but Marktech offers a full assortment of near IR wavelengths in numerous package types. And because we manufacture wafers at our own U.S. facilities, we can ensure Marktech's products are of the highest quality and reliability.

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Point Source Emitters

Marktech's Point Source Emitters are powered by a unique LED chip that produces a well-defined pattern of light similar to a "point". These chips in combination with high quality grade glass lenses produce an extremely narrow, near parallel radiation pattern. This unobstructed, radiated beam pattern is made possible by producing a unique defined active area and relocating the topside electrode. By eliminating the "dark spot" typically associated with the center of conventional LEDs, the point source LED yields superior results in critical sensing applications. Our Point Source Emitters are available in TO-18, TO-46 and PLCC-4 packages.

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SWIR Emitters

Marktech is one of a few limited manufacturers who supply emitters in the extended wavelength or SWIR (Short Wavelength Infrared) range. Our standard product offering includes both through-hole and surface mount packages with wavelengths from 1020nm - 1720nm and operating currents ranging from 20mA to 350mA for high power applications. Higher wavelength ranges up to 3000nm are available in specific package types. If something above 3000nm is required which is more in the MWIR (Mid Wavelength Infrared) range, Marktech is happy to work with you to develop a custom wafer / die that meets your specific application.

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Multi-Wavelength Emitters

Our Multi-Wavelength Emitters come in a variety of packages including TO-18, PLCC, TO-5 and surface mount. These devices hold anywhere from 2 to 7 die and are available in our selected standard chips (UV through SWIR Short Wave Infrared and can also be combined with detector chips ) and can be modified to the customer's specification which includes power and wavelength sorting.

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Photo Reflectors

Our standard Photo Reflectors are offered in a compact high reliability 4mm plastic package with a wavelength range from 468nm to 950nm and optimal operational distance is 0.5mm-1.5mm. These devices offer superior alignment and sensitivity making them ideal for position sensing applications. In addition emitter/detector combinations are available from UV to SWIR".

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280 - 420
440 - 700
720 - 950
625 - 850
1020 - 1720
280 - 2,600
470 - 950
150 - 450
400 - 1100
400 - 1100
800 - 950
800 - 1750
150 - 1720
450 - 624
450 - 624
450 - 624
400 - 650
450 - 624
450 - 624
450 - 624
280 - 2600
450 - 624
450 - 470
450 - 527
450 - 527
450 - 527
450 - 527
450 - 527
760 - 1720
280 - 400
450 - 527