Linear rotary optical delay lines

Hichem Guerboukha; Hang Qu; Maksim Skorobogatiy

doi:10.1117/12.2216297

16 March 2016 Linear rotary optical delay lines

Hichem Guerboukha, Hang Qu, Maksim Skorobogatiy

Proceedings Volume 9754, Photonic Instrumentation Engineering III; 97540C (2016) https://doi.org/10.1117/12.2216297
Event: SPIE OPTO, 2016, San Francisco, California, United States

Abstract

We present a semi-analytical solution for the design of a high-speed rotary optical delay line that use a combination of two rotating curvilinear reflectors. We demonstrate that it is possible to design an infinite variety of the optical delay lines featuring linear dependence of the optical delay on the rotation angle. This is achieved via shape optimization of the rotating reflector surfaces. Moreover, a convenient spatial separation of the incoming and outgoing beams is possible. For the sake of example, we present blades that fit into a circle of 10cm diameter. Finally, a prototype of a rotary delay line is fabricated using CNC machining, and its optical properties are characterized.

Citation Download Citation

Hichem Guerboukha, Hang Qu, and Maksim Skorobogatiy "Linear rotary optical delay lines", Proc. SPIE 9754, Photonic Instrumentation Engineering III, 97540C (16 March 2016); https://doi.org/10.1117/12.2216297

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