High Power Single-Mode Delivery Of Mid-Infrared Sources Through Chalcogenide Fiber

Abstract

Mechanically robust and low loss single-mode arsenic sulfide fibers are used to deliver high power mid-infrared sources. Anti-reflection coatings were deposited on the fiber facets, enabling 90% transmission through 20 cm length fibers. 10.3 W was transmitted through an anti-reflection coated fiber at 2053 nm, and uncoated fibers sustained 12 MW/cm2 intensities on the facet without failure. A Cr:ZnSe laser transmitted >1 W at 2520 nm, and a Fe:ZnSe laser transmitted 0.5 W at 4102 nm. These results indicate that by improving the anti-reflection coatings and using a high beam quality mid-infrared source, chalcogenide fibers can reliably deliver 10 W in a single mode, potentially out to 6.5 µm.

Publication Date

1-1-2018

Publication Title

Optics Express

Volume

26

Issue

6

Number of Pages

7313-7323

Document Type

Article

Personal Identifier

scopus

DOI Link

https://doi.org/10.1364/OE.26.007313

Socpus ID

85044117936 (Scopus)

Source API URL

https://api.elsevier.com/content/abstract/scopus_id/85044117936

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