Mid-IR supercontinuum generation beyond 7 μm using a silica-fluoride-chalcogenide fiber cascade

Christian Rosenberg Petersen, Peter M. Moselund, Christian Petersen, Uffe Visbech Møller, Ole Bang

Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsResearchpeer-review

Abstract

We report on an experimental demonstration of mid-infrared cascaded supercontinuum generation in commercial silica, fluoride, and chalcogenide fibers as a potentially cheap and practical alternative to direct pumping schemes. A pump continuum up to 4.4 μm was generated in cascaded silica and fluoride fibers by an amplified 1.55 μm nanosecond diode laser. By pumping a commercial Ge10As22Se68 single-material photonic crystal fiber with 135.7 mW of the pump continuum from 3.5- 4.4 μm, we obtained a continuum up to 7.2 μm with a total output power after the collimating lens of 54.5 mW, and 3.7 mW above 4.5 μm.
Original languageEnglish
Title of host publicationProceedings of SPIE
Number of pages6
Volume9703
PublisherSPIE - International Society for Optical Engineering
Publication date2016
Article number97030A
DOIs
Publication statusPublished - 2016
EventOptical Biopsy XIV - The Moscone Center, San Francisco, United States
Duration: 15 Feb 201617 Feb 2016

Conference

ConferenceOptical Biopsy XIV
LocationThe Moscone Center
CountryUnited States
CitySan Francisco
Period15/02/201617/02/2016

Keywords

  • Supercontinuum
  • Mid-infrared pulse
  • Infrared fibers
  • Fiber cascade
  • ZBLAN
  • Chalcogenide

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