Sapphire Photonic Crystal Waveguides for Terahertz Sensing in Aggressive Environments

Katyba G. M., Zaytsev K. I., Chernomy'rdin N. V., Shikunova I. A., Komandin G. A., Anzin V. B., Lebedev S. P., Spektor I. E., Karasik V. E., Yurchenko S. O., Reshetov I. V., Kurlov V. N., Skorobogatiy M.

Advanced Optical Materials

Vol.6, Issue22, Num.1800573

Опубликовано: 2018

Тип ресурса: Статья

DOI:10.1002/adom.201800573

Аннотация:

Terahertz (THz) frequency range opens significant opportunities in various fundamental and applied fields including condensed matter physics and chemistry, biology and medicine, public security and nondestructive testing. Despite significant advances in THz instrumentation, the problem of THz sensing in harsh environments, particularly at high temperatures and pressures, remains acute due to the lack of THz materials and optical components capable for operation under the extreme conditions. To address this problem, the THz hollow-core photonic crystal sapphire waveguides that are fabricated using shaped crystal growth technique are developed. Numerical analysis and experimental study show that the proposed waveguides operate in a few-mode regime and allow for the broadband transmission of THz pulses with small dispersions and low propagation losses. Thanks to the unique physical properties of sapphire, the proposed waveguides are capable of operating in a variety of aggressive environm

Ключевые слова:

aggressive environments; edge-defined film-fed growth; photonic crystal waveguides; sapphire shaped crystals; terahertz sensing; terahertz waveguides

Condensed matter physics; Electric losses; Interferometry; Laser optics; Nondestructive examination; Optical waveguides; Photonic crystals; Remote sensing; Sapphire; Waveguide components; Aggressive environment; Edge defined film fed growth; Photonic crystal waveguide; Terahertz sensing; Terahertz waveguides; Terahertz spectroscopy

Язык текста: Английский

ISSN: 2195-1071

Katyba G. M.

Zaytsev K. I. Kirill Igorevich 1989-

Chernomy'rdin N. V. Nikita Viktorovich 1992-

Shikunova I. A.

Komandin G. A.

Anzin V. B.

Lebedev S. P.

Spektor I. E.

Karasik V. E.

Yurchenko S. O.

Reshetov I. V. Igor` Vladimirovich 1964-

Kurlov V. N. Vladimir Nikolaevich 1959-

Skorobogatiy M.

Катyба Г. М.

Зайцев К. И. Кирилл Игоревич 1989-

Черномырдин Н. В. Никита Викторович 1992-

Шикунова И. А.

Командин Г. А.

Анзин В. Б.

Лебедев С. П.

Спектор И. Е.

Карасик В. Е.

Юрченко С. О.

Решетов И. В. Игорь Владимирович 1964-

Курлов В. Н. Владимир Николаевич 1959-

Скоробогатиy М.

Sapphire Photonic Crystal Waveguides for Terahertz Sensing in Aggressive Environments

Текст визуальный непосредственный

Advanced Optical Materials

Vol.6, Issue22 Num.1800573

2018

Статья

aggressive environments edge-defined film-fed growth photonic crystal waveguides sapphire shaped crystals terahertz sensing terahertz waveguides

Condensed matter physics Electric losses Interferometry Laser optics Nondestructive examination Optical waveguides Photonic crystals Remote sensing Sapphire Waveguide components Aggressive environment Edge defined film fed growth Photonic crystal waveguide Terahertz sensing Terahertz waveguides Terahertz spectroscopy

Terahertz (THz) frequency range opens significant opportunities in various fundamental and applied fields including condensed matter physics and chemistry, biology and medicine, public security and nondestructive testing. Despite significant advances in THz instrumentation, the problem of THz sensing in harsh environments, particularly at high temperatures and pressures, remains acute due to the lack of THz materials and optical components capable for operation under the extreme conditions. To address this problem, the THz hollow-core photonic crystal sapphire waveguides that are fabricated using shaped crystal growth technique are developed. Numerical analysis and experimental study show that the proposed waveguides operate in a few-mode regime and allow for the broadband transmission of THz pulses with small dispersions and low propagation losses. Thanks to the unique physical properties of sapphire, the proposed waveguides are capable of operating in a variety of aggressive environm