Title

Multiple Beam Splitter Using Volumetric Multiplexed Fresnel Zone Plates Fabricated By Ultrafast Laser-Writing

Abstract

A simple approach to producing a 1 × N beam splitter is demonstrated by fabricating a volumetric multiplex phase Fresnel zone plate in bulk transparent material. This comprised four layers of zone plates created in borosilicate glass by femtosecond laser direct-writing, each shifted laterally relative to the illumination axis, creating four separate beamlets. Since the power transmitted in each beamlet is proportional to the diffraction efficiency of the corresponding zone plate, the power ratios can be customized by adjusting the fabrication parameters of each layer. This approach demonstrates the potential of femtosecond laser direct-writing for the fabrication of complex optical elements in transparent media as components of integrated monolithic photonic devices. © 2012 Optical Society of America.

Publication Date

8-15-2012

Publication Title

Optics Letters

Volume

37

Issue

16

Number of Pages

3375-3377

Document Type

Article

Personal Identifier

scopus

DOI Link

https://doi.org/10.1364/OL.37.003375

Socpus ID

84865499194 (Scopus)

Source API URL

https://api.elsevier.com/content/abstract/scopus_id/84865499194

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