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Photonics Buyers' Guide / Tungsten Light Sources / LEJ - Lighting & Electronics Jena

LEJ - Lighting & Electronics Jena

MapStockholmer Str. 5
D-07747 Jena
Phone: +49 3641 3530 0
Fax: +49 3641 3530 70
LEJ is your provider of high-performance Illumination as well as Power Electronic solutions in the fields of Microscopy, Analytics, Semiconductor, Industry and Medical Technology.
Besides its comprehensive portfolio of standard products LEJ offers the highest degree of flexibility and speed to bring customer-/application-specific products to the market. World-known OEMs count on LEJ as their system provider for e.g. microscopy illumination, electronic assemblies for spectroscopy, laser and system power supplies, LED high performance controller as well as their partner for contract assembly of complex opto-mechanical and opto-electronical sub-assemblies and systems.
With LUXYR and AMPYR LEJ markets two proprietary-developed lines of standard products, utilized specifically in microscopy applications. Especially in demanding Fluorescence, but also in routine Transmitted and Reflected Light microscopy applications the Xenon, Mercury and LED light sources (broad-band, multi-channel) are employed worldwide.
The entire range of products can be customized according to customers and applications. By providing a modular design as well as an intelligent roadmap-based development platform, LEJ allows such customization to be conducted in a very short time (time-to-market) and at reasonable costs.
LEJ supports OEM customers with in-depth know-how in dimensioning Lamp-, LED- and (increasingly) Laser-powered Illumination Systems. LEJ is in the unique position to advise customers independent from the light sources, thus being able to develop and manufacture hybrid / multi-modal Illumination Solutions. In the field of Power Electronics customers benefit from durable, productive, long term available solutions that, at the same time, deliver reproducible and quantifiable results.

Leistungselektronik JENA GmbH (LEJ) was founded as a spin-off of the research center of Carl Zeiss Jena GmbH in December 1991. The company is fully vertically integrated with a strong focus on core technology competencies, all manufacturing facilities are DIN ISO 9001 certified and NRTL supervised to ensure an invariably high standard of quality and reliability of our products.

Maximum stability Illuminators for fluorescence and routine / white-light microscopy…
Spectrally rich excitation energy provided by high-power single & multi-channel LED
as well 120W / 200W Mercury & Xenon lamps. See light sources

LEJ FoledModule illumination LED illumination modules for system integration…
High power LED fiber optic light source module with luminous flux up to 2,000 lm (use with 3mm/5mm light guide) for Endoscopy, Surgical / Operation Microscopes and Industry Applications. See modules

Controllable current sources up to 100 A
LED driver
LEJ LED Pulse Controller High speed LED-Pulse-Controller with 2 or 4 independent constant current outputs with full parameter control for machine vision and camera-based inspection. See driver
  • 30 A constant current
  • 30 A pulsed current
  • LEJ Reut7022 ignitors
  • Cascadable up 300 A
Pulse & DC Ignitors up to 60 kV & 80 A constant current

LEJ Mod WebPrecision design & manufacturing of complex assemblies and systems (OEM)…
LEJ designs, develops, documents and assembles sub-assemblies and systems for own standard products as well as for world-renowned OEMs. See OEM solutions
Established: 1991
Employees: 25
Ownership type: Privately Owned
Simon Schwinger, Dir.
Karl-Heinz Gaida, Sales Mgr.
Green Products Green Products
Green Manufacturing Green Manufacturing

lamp housingsballastslight sourcesflash unitselectronic ballastslamp power suppliesilluminationspectroscopyfluorescenceLED modulessystem power supplieslaser power suppliesLED controllermicroscopysemiconductormedical technologyxenon lampsmercury lampswhite lightmulti channel LEDLED driverpulse ignitorsdc ignitors
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