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Refractive Microoptics

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Microlens Arrays for Fiber Collimators Microlens Arrays for Fiber Collimators

Microlens arrays can be used for both collimating a light beam emitted by a fiber or coupling light into a fiber. Jenoptik designs and manufactures custom microlens arrays for fiber collimators to customer specifications. The proprietary process allows active precision alignment of our microlens arrays to fiber pigtails, providing excellentbeam positioning and pointing accuracy.

Microlens Arrays for Fill Factor Enhancement Microlens Arrays for Fill Factor Enhancement

Microlens arrays are used to increase focal plane array optical fill factor by up to three times. These tiny lens systems serve to focus and concentrate the light onto the photodiode surface instead of allowing it to fall on non-photosensitive areas of the pixel device. Using a microlens array will enhance the sensitivity and dynamic range of the photodiode. Jenoptik designs custom microlens arrays to increase the fill factor yielding improved performance of the focal plane array.

Microlens Arrays for Shack Hartmann Sensors Microlens Arrays for Shack Hartmann Sensors

Jenoptik provides unique microlens array solutions
with high spatial resolution for Shack Hartmann
sensors. These microlens arrays can be designed for
wavefronts with large or small phase depths.
Jenoptik provides unique microlens array solutions with high spatial resolution for Shack Hartmann sensors. These microlens arrays can be designed for wavefronts with large or small phase depths.

Microoptics for the Infrared Microoptics for the Infrared

The flexibility of gray scale technology allows the creation of refractive (microlens arrays) and diffractive (beam shapers, beam splitters, etc.) microoptics from a wide variety of materials such as germanium, silicon, gallium phosphide, gallium arsenide,  zinc selenide,  zinc sulfide, and sapphire.

Refractive Homogenizers Refractive Homogenizers

Refractive homogenizers are lenslet arrays that mix a large number of portions of an inhomogeneous multimode light beam to give a well-defined uniform illumination with the desired beam shape.

 

UV Beam Shaping UV Beam Shaping

Laser beam homogeneity of UV lasers is a challenge.  For a large range of applications a smooth beam profile of an arbitrary input intensity distribution at a high power density is required.  In particular for UV-lasers such as Excimer lasers anddiode pumped frequency tripled lasers with their unique ability to deliver high pulse energies, Microlens Arraysof CaF2 are suitable optics to produce homogenous intensity distributions with a long durability.
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