No data traffic without Axetris microlenses

Created April 2, 2020
Product Focus

Axetris has been providing microlenses to the communication industry for more than 15 years. Microlenses are omnipresent in telecom and datacom solutions such as wavelength selective switches (WSS), optical transceivers for data centers and long-haul coherent communications components. It all started with Passive Optical Network (PON) components for the megabit telecommunication era. Today, Axetris contributes cost-attractive microlenses and microlens arrays to the advance of Gigabit internet age, where hyperscale data centers and service providers require more efficient, economical and faster solutions.

Customized silicon and fused silica microlenses and microlens arrays
Axetris microlenses are made of high quality optical materials like silicon and fused silica, which have optimal properties for optical communication solutions and many other applications like IR and UV wavelength ranges. Axetris produces microlenses with customized lens designs, and can also add auxiliary features, such as fiducials and metal or solder pads. Microlens chips are provided in the form of single-lenses or one- and two-dimensional lens arrays, which can support single- and multi-channel coupling schemes.

We supply sub-millimeter chip size, down to a few hundred microns with thicknesses of also down to 100 µm. This dimension enables compact packaging and miniaturized optical setups. Microlenses are manufactured by well-established micro-machining processes, the same techniques used in the fabrication of silicon photonics: i.e., photo-lithography, thermal reflow, and plasma etching. These micro-machining techniques guarantee sub-nanometer surface roughness, high-precision pitch accuracy for microlens arrays, and good control of the lens aspherical profile given by customized lens designs. The wafer-level processes allow scalability to high volume production and eventually cost-attractive solutions.

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This article was written
by Optical Connections News Team