Ultra-precision adhesive bonding of multi-element lenses with 5 degrees of freedom

Patrik Langehanenberg; Christian Wilde

doi:10.1117/12.2601489

28 October 2021 Ultra-precision adhesive bonding of multi-element lenses with 5 degrees of freedom

Proceedings Volume 11889, Optifab 2021; 118890X (2021) https://doi.org/10.1117/12.2601489
Event: SPIE Optifab, 2021, Rochester, New York, United States

Abstract

The 5D-alignment of multi-element assemblies within a single barrel by adhesive bonding represents a powerful alternative to the so-called “poker-chip assembly” where the barrel is populated with sub-cells. This way, the single element’s lateral and axial position can be precisely controlled. The described process allows for production of mounted lenses with an outstanding alignment precision below 1 µm in all dimensions in less than 3 minutes per lens element. The fully automated process greatly simplifies the transfer of existing, conventional optomechanical designs to higher performance and allows for smaller and lighter barrel designs compared to the established poker chip assembly.

Conference Presentation

Citation Download Citation

Patrik Langehanenberg and Christian Wilde "Ultra-precision adhesive bonding of multi-element lenses with 5 degrees of freedom", Proc. SPIE 11889, Optifab 2021, 118890X (28 October 2021); https://doi.org/10.1117/12.2601489

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