Our technology enables fabrication of an arbitrary, free-form optical elements on the edge of a fiber. While conventional diffractive optics require careful alignment and is usually limited to several discrete height levels, we offer a flexible and easy to use solution. Devices, based on the diffractive optics on a fiber, include diffractive lenses, beam shapers, beam splitters, vortex beam generators and more.
Diffractive optics uses computer generated structures to shape the wavefront of light. While conventional optics can perform a limited number of functions, the diffractive optics is much more flexible. It can perform a number of complex optical functions, from splitting a beam to creating an optical vortex. Moreover, properly engineered phase mask can combine several optical functions into a single diffractive optical element.
Usually, the performance of the diffractive elements depends on the number of discretization levels and careful optical alignment. Fabricating diffractive optics on a fiber solves both of these problems. First of all, the fiber delivers light in a stable and highly reproducible way. Fabricating diffractive optics on a fiber not only eliminates the need for alignment but ensures that the device operation is not affected by vibrations or environment. Secondly, the use of nanoimprint technology allows the fabrication of free-form structures, making it possible to code essentially any desired optical function. In addition to that, we can use a range of materials with different refractive indices. For example, diffractive elements fabricated out of high refractive index material can be embedded inside other material with lower refractive index. This further increases the stability of our devices. Our company offers services that cover all the stages of development, including design, simulation, fabrication and optical characterization.
- Integrated optics
- Optical trapping
- Endoscopic imaging
- Ease of integration
- High refractive index (up to 1.70).
- Optimized optical performance through free-form design
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