Ultra-low loss (8.5 dB/km @ Yb-laser wavelength range) inhibited-coupling Kagome HC-PCF for laser beam delivery applications

The dramatic progress in power-scaling of ultra-short pulse (USP) lasers and their growing use in industrial applications call for flexible and robust beam delivery systems (BDS) over several meters with no temporal or modal distortions. Inhibited coupling (IC) hypocycloid Kagome hollow-core photonic crystal fiber (HC-PCF) has recently proved to be an excellent solution for guiding these USP. In order to reduce further the attenuation of such fiber and then to increase the BDS capabilities, we report on an optimized IC Kagome HC-PCF exhibiting record loss level (8.5dB/km at 1030nm) associated with a 225nm wide 3-dB bandwidth and low bend sensitivity.

[1]  J W Nicholson,et al.  Spatially and spectrally resolved imaging of modal content in large-mode-area fibers. , 2008, Optics express.

[2]  Zach DeVito,et al.  Opt , 2017 .

[3]  J. Toppari,et al.  Direct optical measurement of light coupling into planar waveguide by plasmonic nanoparticles. , 2012, Optics express.

[4]  F Benabid,et al.  Multi-meter fiber-delivery and pulse self-compression of milli-Joule femtosecond laser and fiber-aided laser-micromachining. , 2014, Optics express.

[5]  Cesar Jauregui,et al.  High-power fibre lasers , 2013 .

[6]  F Benabid,et al.  Hypocycloid-shaped hollow-core photonic crystal fiber Part I: arc curvature effect on confinement loss. , 2013, Optics express.

[7]  A. Tünnermann,et al.  Femtosecond, picosecond and nanosecond laser ablation of solids , 1996 .

[8]  Benoit Debord,et al.  Optical Properties of Low Loss (70dB/km) Hypocycloid-Core Kagome Hollow Core Photonic Crystal Fiber for Rb and Cs Based Optical Applications , 2013, Journal of Lightwave Technology.

[9]  F Benabid,et al.  Hypocycloid-shaped hollow-core photonic crystal fiber Part II: cladding effect on confinement and bend loss. , 2013, Optics express.

[10]  W. Piyawattanametha,et al.  9.6-mm Diameter femtosecond laser microsurgery probe , 2011, 2012 Conference on Lasers and Electro-Optics (CLEO).

[11]  F. Benabid,et al.  Ultra low-loss hypocycloid-core kagome hollow-core photonic crystal fiber for the green spectral-range applications , 2014, CLEO 2014.

[12]  P. Roberts,et al.  Low loss broadband transmission in hypocycloid-core Kagome hollow-core photonic crystal fiber. , 2011, Optics letters.

[13]  F. Benabid,et al.  Stimulated Raman Scattering in Hydrogen-Filled Hollow-Core Photonic Crystal Fiber , 2002, Science.

[14]  M. T. Burnett,et al.  Identification of Bloch-modes in hollow-core photonic crystal fiber cladding. , 2007, Optics express.

[15]  F Benabid,et al.  Generation and Photonic Guidance of Multi-Octave Optical-Frequency Combs , 2007, Science.

[16]  P. Roberts,et al.  Low loss broadband transmission in optimized core-shape Kagome hollow-core PCF , 2010, CLEO/QELS: 2010 Laser Science to Photonic Applications.