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1. Properties of a Microwave Discharge in a Hollow-Core Fiber of a Gas-Discharge Fiber Laser

   Abstract

   We report a study of a microwave discharge plasma excited in revolver silica fibers with a hollow core ∼100 μm in diameter. Temporal and...

   A. V. Gladyshev, D. G. Komissarov, ... I. A. Bufetov in Bulletin of the Lebedev Physics Institute

   Article 01 December 2023
   

2. Review on Hollow-Core Fiber Based Multi-Gas Sensing Using Raman Spectroscopy

   In recent years, detecting and quantifying multiple gases have garnered widespread attention across various fields, particularly in volatile organic...

   Qilu Nie, Zhixiong Liu, ... Minghong Yang in Photonic Sensors

   Article Open access 27 May 2024

3. Advanced design and sensitivity analysis of hollow-core fiber Bragg rating for enhanced biosensing applications

   Hollow-core fibers (HCFs) with an air-filled core and a periodic array of micro-structured cladding can be used to make a Fiber Bragg grating. The...

   Anwaar A. Al-Dergazly, Aseel I. Mahmood, ... All’a T. Lateef in Journal of Optics

   Article 13 June 2024
   

4. Dual hollow-core anti-resonant fiber polarization beam splitter with excellent single-mode characteristics for ultra-broadband

   In this paper, we propose an ultra-broadband polarization beam splitter for a dual hollow-core anti-resonant fiber. We divide the fiber core into two...

   **gkai Zhou, Yan Lu, ... Hui Zou in Applied Physics B

   Article 14 September 2023
   

5. Effects of selectively thickening core wall on birefringence and loss in polarization-maintaining hollow core photonic bandgap fiber

   Selectively thickening core wall is an effective approach to improve the birefringence of hollow core photonic bandgap fiber (HC-PBGF). However, the...

   **aozhe Tian, Shuqin Lou, ... **n Wang in Optical and Quantum Electronics

   Article 05 April 2024
   

6. Temperature–insensitive curvature sensor based on hollow-core fiber assisted microbubble Mach–Zehnder interferometer

   A compact fiber-optical curvature sensor based on the hollow-core fiber (HCF) assisted microbubble Mach–Zehnder interferometer (HMZI) is proposed and...

   Mingyang Chen, **nqi Su, ... Ying Liang in Applied Physics B

   Article 17 March 2024
   

7. Terahertz spectroscopic based bending effect inspection on hollow-core anti-resonant fiber

   In this study, a Hollow-Core Anti-Resonant Fiber (HC-ARF) for gas sensing purposes with ultra-high sensitivity responses and the fiber bending...

   Jahid Tanvir, Sumaiya Akhtar Mitu, ... Fahad Ahmed Al-Zahrani in Optical and Quantum Electronics

   Article 05 February 2023
   

8. Coherent Mid-IR Supercontinuum in a Hollow Core Fiber Filled with a Mixture of Deuterium and Nitrogen

   Abstract

   The conversion of energy into the mid-IR region (>2.2 μm) upon pum** by chirped picosecond pulses at a wavelength of 1.56 μm into a...

   Yu. P. Yatsenko, A. V. Gladyshev, I. A. Bufetov in Bulletin of the Lebedev Physics Institute

   Article 03 December 2023
   

9. Refractive index sensing using surface plasmon resonance in wire-grid-enhanced hollow core fiber sensor

   This paper presents a detailed analysis of a plasmonic sensor in which a plasmonic wire-grid structure is integrated into a hollow core fiber (HCF)....

   Tanvir Ahmed, Jannatul Mawa Nijhum, Javid Atai in Optical and Quantum Electronics

   Article 18 July 2023
   

10. Raman Generation of PS Pulses at λ= 3.9 μm in a Hollow-Core Revolver Fiber

    Abstract

    Generation of picosecond mid-infrared pulses in Raman gas fiber lasers is studied. Efficient Raman generation of picosecond pulses at a...

    A. V. Gladyshev, D. S. Dubrovsky, ... I. A. Bufetov in Optoelectronics, Instrumentation and Data Processing

    Article 01 February 2023
    

11. Wideband low confinement loss hollow core anti-resonant fiber with semi-circular and semi-elliptical nested tubes

    We propose three hollow-core anti-resonant fibers with different nested tube structures and numerically analyse their confinement loss, single-mode...

    Mengdi An, Biyun Luo, ... Hongzhi Jia in Optical and Quantum Electronics

    Article 10 May 2024
    

12. Hollow-core optical fiber-based laser-induced breakdown spectroscopy technique for the elemental analysis of pulverized coal

    The present study proposed and demonstrated the feasibility of the fiber-based LIBS technique for the analysis of pulverized coal. A hollow-core...

    Hemalaxmi Rajavelu, Nilesh J. Vasa, Satyanarayanan Seshadri in Applied Physics A

    Article 09 September 2022
    

13. Dual-band light-induced thermoelastic spectroscopy utilizing an antiresonant hollow-core fiber-based gas absorption cell

    In this paper, dual-band gas detection using a combination of the light-induced thermoelastic spectroscopy (LITES) and an antiresonant hollow-core...

    Piotr Bojęś, Piotr Jaworski, ... Karol Krzempek in Applied Physics B

    Article Open access 24 October 2023
    

14. UV 20W-class single-mode nanosecond pulse delivery using a vacuum-free/ambient air inhibited-coupling hollow-core fiber

    Silica fibers have been successfully used to deliver high-power high-energy laser beam in the near-infrared and visible range but suffer from high...

    Florian Leroi, Frédéric Gérôme, ... Johan Boullet in Applied Physics B

    Article 23 June 2023
    

15. Orbital Angular Momentum of Light in Helically Twisted Hollow Core Photonic Crystal Fiber

    We examine the trap** and propagation of a guided mode in a helically twisted hollow core photonic crystal fiber (HC-PCF) at photonic Dirac...

    Rik Chattopadhyay in Optical to Terahertz Engineering

    Chapter 2023
    

16. Study of macro-bending loss dependence on design parameters of anti-resonant hollow core fibers

    In this work, anti-resonant hollow core fiber is studied in detail for its macro-bending loss properties. The mode is confined inside the central air...

    Suchita, Archana Kaushalram, Asha Bhardwaj in Optical and Quantum Electronics

    Article 15 April 2023
    

17. Engineering the temporal shape of a chirped pulse compressed in a pressure-gradient-based cascaded hollow-core photonic crystal fiber

    A theoretical model is discussed to investigate the impact of a gas-filled hollow-core photonic crystal fiber (HC-PCF) on the temporal shape and...

    Reza Saeedizadeh, Saeed Ghavami Sabouri, Alireza Khorsandi in Optical and Quantum Electronics

    Article 08 April 2023
    

18. Maintaining Microwave Discharge in Hollow Core Optical Fibers for Gas Fiber Lasers

    Abstract

    The minimal values of the 2.45 GHz microwave electric field, which are necessary to maintain a discharge in a number of noble gases (argon,...

    I. A. Bufetov, A. V. Gladyshev, ... A. P. Mineev in Doklady Physics

    Article 01 April 2023
    

19. Mode Structure of Supercontinuum Generated by Ultrashort Pulses in Antiresonant Hollow-Core Fibers

    The mode structure of broadband radiation with the spectrum from 200 to 2500 nm, which is obtained in the process of soliton self-compression of a...

    I. V. Savitsky, E. A. Stepanov, ... A. B. Fedotov in JETP Letters

    Article 01 February 2023
    

20. Fabrication of Hybrid Mach-Zehnder Interferometer based on Hollow-Core Photonic Crystal Fiber for Load Measurement

    An effective procedure for the fabrication of tunable hybrid Mach–Zehnder interferometer (HMZI) based on micro-cavity Fabry–Perot interferometer...

    Faraqid Q. Mohammed, Tahreer S. Mansoor, Yassine Aydi in Journal of Optics

    Article 26 May 2022