Fiber delivery of mid-IR lasers

Kriesel, Jason M.; Gat, Nahum; Bernacki, Bruce E.; Myers, Tanya L.; Bledt, Carlos M.; Harrington, James P.

doi:10.1117/2.1201108.003794

Cited by 2 publications

(3 citation statements)

References 9 publications

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“…[ 306,333 ] While mid‐IR waveguides in solid core fibers can be achieved by using modified chalcogenide glasses in the fiber design, hollow core fibers have the advantage of being less fragile and transmitting deeper into the infrared. [ 334 ]…”

Section: Photonic Crystals In Waveguides and Optical Fiber Designsmentioning

confidence: 99%

“…[306,333] While mid-IR waveguides in solid core fibers can be achieved by using modified chalcogenide glasses in the fiber design, hollow core fibers have the advantage of being less fragile and transmitting deeper into the infrared. [334] One area which has exploited the photonic bandgap confinement in hollow-core fibers is nonlinear optics. [335] The design of hollow core fibers allows a tailored nonlinear optical response depending on the application; air-filled fibers with low intrinsic nonlinearities are ideal for transporting high power pulses and liquid or gas-filled fibers can create high levels of nonlinearity for low power frequency conversion effects.…”

Section: Photonic Crystals In Waveguides and Optical Fiber Designsmentioning

confidence: 99%

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Many Facets of Photonic Crystals: From Optics and Sensors to Energy Storage and Photocatalysis

Lonergan

O’Dwyer

2022

Adv Materials Technologies

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b) Biomimetic inspired and durable bone implant in sheep based on nacre structures, nacre is marked as N in the radiograph [48] and optical microscope image. [49] Reproduced with permission. [48] Copyright 1999, Elsevier. Adapted with permission. [49] Copyright 2005, Elsevier. c) Nanosized bumps on the lotus leaf [25] and the curved fibrous microstructure of the silver ragwort leaf. [41] Adapted with permission. [25] Copyright 2011, Beilstein Institute for the Advancement of Chemical Sciences. Adapted with permission. [41] Copyright 2011, Royal Society of Chemistry. d) Leaf-inspired polystyrene fibers coated with silica nanoparticles to create a polystyrene fiber mat with excellent hydrophobic properties. [41] Adapted with permission. [41] Copyright 2011, Royal Society of Chemistry. e) Cone-shaped micro and nanostructures found on moth eyes [50,51] create an anti-reflective effect. Adapted with permission. [50] Copyright 2008, SPIE. Adapted with permission. [51] Copyright 2018, Nature. f) Moth eye inspired TiO 2 -PMMA nanocomposite structural film [52] showing improved anti-reflective properties (right disc) versus a non-structured PMMA film (left disc). Adapted with permission. [52]

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Section: Photonic Crystals In Waveguides and Optical Fiber Designsmentioning

confidence: 99%

Section: Photonic Crystals In Waveguides and Optical Fiber Designsmentioning

confidence: 99%

Many Facets of Photonic Crystals: From Optics and Sensors to Energy Storage and Photocatalysis

Lonergan

O’Dwyer

2022

Adv Materials Technologies

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“…A major challenge with the fibers was their brittle nature and laser feedback due to back reflections from the fiber end which reduces signal-to-noise ratio [13,14]. Last decade has witnessed rapid development of low-loss Hollow Core Waveguides (HCW) for transmission of the Mid-IR beams from the QCLs [15][16][17][18][19]. These are essentially a glass capillary tube with dielectric/metallic structure deposited inside the bore of the tube.…”

Section: Enablers Of Mid-ir Spectroscopymentioning

confidence: 99%

Mid-Infrared Spectroscopy and Challenges in Industrial Environment

Mitra¹

2019

Infrared Spectroscopy - Principles, Advances, and Applications

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In recent years, Mid-Infrared spectroscopy has garnered lot of attention from researchers and industries due to the availability of industrial grade room temperature Intra-band and Quantum Cascade Lasers. These lasers are repeatable in their performance and along with Near-Infrared Lasers, it has opened the entire Infra-red spectral band for industrial applications. This enabled widespread applications of tunable laser absorption spectroscopy for real-time, in-situ and non-invasive gas sensing. Though several spectroscopy techniques are currently available, Mid-Infrared Absorption Spectroscopy offers us a unique advantage of measurement of trace gas concentrations of few gases which has very weak transitions in Near-Infrared region. The objectives of this chapter are to discuss about the spectroscopy technique commonly used for Mid-Infrared Lasers, a comparative study with other techniques, noise and some challenges remaining for industrial applications.

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Fiber delivery of mid-IR lasers

Abstract: Hollow-core waveguides enable effective, single-mode fiber delivery of mid-IR laser beams.

Cited by 2 publications

References 9 publications

Many Facets of Photonic Crystals: From Optics and Sensors to Energy Storage and Photocatalysis

Many Facets of Photonic Crystals: From Optics and Sensors to Energy Storage and Photocatalysis

Mid-Infrared Spectroscopy and Challenges in Industrial Environment

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