Abstract

Monocrystals of Ag1xTlxBr1xIx and Ag1xTlxClyIzBr1yz for the spectral range from 2.0 to 40.0 μm with improved photostability were developed and grown. The grown crystals were used for fabrication of single-mode IR fibers. Experimental studies of optical properties of these fibers have confirmed their single-mode operation at CO2 laser wavelength and demonstrated wider mode field for microstructured fiber compared to fibers with conventional double-layered structure.

© 2012 Optical Society of America

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  1. R. Grille, G. Martin, L. Labadie, B. Arezki, P. Kern, T. Lewi, A. Tsun, and A. Katzir, “Single mode Mid-infrared silver halide asymmetric flat waveguide obtained from crystal extrusion,” Opt. Express 17, 12516–12522 (2009).
  2. T. Lewi, A. Tsun, A. Katzir, J. Kaster, and F. Fuchs, “Silver halide single mode fibers for broadband middle infrared stellar interferometry,” Appl. Phys. Lett. 94, 261105 (2009).
  3. R. Flatscher, O. Wallner, V. Artjushenko, and J. Pereire do Carmo, “Manufacturing of chalcogenide and silver-halide single-mode fibers for modal wavefront filtering for Darwin,” in Proceedings of Sixth International Conference on Space Optics, (2006), ESA-SP 621.
  4. L. N. Butvina, O. V. Sereda, E. M. Dianov, N. V. Lichkova, and V. N. Zagorodnev, “Single-mode microstructured optical fiber for the middle infrared,” Opt. Lett. 32, 334–336 (2007).
  5. L. Zhukova, N. Primerov, A. Korsakov, and A. Chazov, “Crystals for IR techniques AgClxBr1−x and AgClxBryI1−x−y and optical fibers based on them,” Inorg. Mater. 44, 1516–1521 (2008).
  6. A. Millo, L. Lobachinsky, and A. Katzir, “Single-mode index-guiding photonic crystal fibers for the middle infrared,” Photon. Technol. Lett. 20, 869–871 (2008).
  7. V. G. Artjushenko, P. B. Baskov, G. M. Kuz´micheva, M. D. Musina, V. V. Sakharov, and T. V. Sakharova, “Structure and properties of AgCl1−xBrx (x=0.5−0.8) optical fibers,” Inorg. Mater. 41, 178–181 (2005).
  8. A. Korsakov, L. Zhukova, E. Korsakova, and A. Chazov, “Thermodynamic study of phase equilibrium crystal-melt diagrams in heterogeneous system AgBr- TlI,” Melts A 6, 76–84 (2010).
  9. N. Primerov, “Synthesis and study of crystals AgClxBr1−x, AgClxBryI1−x−y, doped with rare elements, and manufacturing of optical fibers based on them,” http://dlib.rsl.ru/load.php?path=/rsl01004000000/rsl01004826000/rsl01004826602/rsl01004826602.pdf .
  10. A. Korsakov, “Physical-chemical fundamentals of silver and thallium (I) halides solid solutions for IR fiber optics,” http://www.ihte.uran.ru/info/dissertationsoviet/dissertations.php?loc=0&dssprt_id=47 .
  11. L. Zhukova, N. Primerov, A. Chazov, and A. Korsakov, “Single-mode crystal infra-red light pipe,” in Proceedings of Thirty Sixth International Exhibition of Inventions, New Techniques and Products (2008), p. 133.
  12. L. Zhukova, N. Primerov, A. Chazov, A. Korsakov, and V. Zhukov, “Single-mode double-layered crystalline IR fiber,” Patent of Russian Federation No. 2340920. Stat. 23August, 2007, Publ. 10December, 2008, Bul. No. 34.
  13. L. Zhukova, N. Primerov, A. Chazov, and A. Korsakov, “Single-mode crystalline IR fiber,” Patent of Russian Federation No. 2340921. Stat. 2August, 2007, Publ. 10December, 2008, Bul. No. 34.
  14. P. V. Kovtunenko, Physical Chemistry of Solid State. Defective Crystals (Higher School, 1993).
  15. L. Zhukova, A. Korsakov, A. Chazov, E. Korsakova, D. Vrublevsky, V. Korsakov, and V. Zhukov, “Modeling and production of new nanodefective IR crystals based on silver halides solid solutions,” in Proceedings of the Ninth International Conference “Applied Optics 2010” (D. S. Rozhdestvensky Optical Society, 2010), pp. 99–104.
  16. The Applied Physics Group, http://www.tau.ac.il/~applphys/research_refract_index_msr.htm .
  17. The Source—Model Technique Package, http://webee.technion.ac.il/leviatan/smtp .

2010 (1)

A. Korsakov, L. Zhukova, E. Korsakova, and A. Chazov, “Thermodynamic study of phase equilibrium crystal-melt diagrams in heterogeneous system AgBr- TlI,” Melts A 6, 76–84 (2010).

2009 (2)

R. Grille, G. Martin, L. Labadie, B. Arezki, P. Kern, T. Lewi, A. Tsun, and A. Katzir, “Single mode Mid-infrared silver halide asymmetric flat waveguide obtained from crystal extrusion,” Opt. Express 17, 12516–12522 (2009).

T. Lewi, A. Tsun, A. Katzir, J. Kaster, and F. Fuchs, “Silver halide single mode fibers for broadband middle infrared stellar interferometry,” Appl. Phys. Lett. 94, 261105 (2009).

2008 (2)

L. Zhukova, N. Primerov, A. Korsakov, and A. Chazov, “Crystals for IR techniques AgClxBr1−x and AgClxBryI1−x−y and optical fibers based on them,” Inorg. Mater. 44, 1516–1521 (2008).

A. Millo, L. Lobachinsky, and A. Katzir, “Single-mode index-guiding photonic crystal fibers for the middle infrared,” Photon. Technol. Lett. 20, 869–871 (2008).

2007 (1)

2005 (1)

V. G. Artjushenko, P. B. Baskov, G. M. Kuz´micheva, M. D. Musina, V. V. Sakharov, and T. V. Sakharova, “Structure and properties of AgCl1−xBrx (x=0.5−0.8) optical fibers,” Inorg. Mater. 41, 178–181 (2005).

Arezki, B.

Artjushenko, V.

R. Flatscher, O. Wallner, V. Artjushenko, and J. Pereire do Carmo, “Manufacturing of chalcogenide and silver-halide single-mode fibers for modal wavefront filtering for Darwin,” in Proceedings of Sixth International Conference on Space Optics, (2006), ESA-SP 621.

Artjushenko, V. G.

V. G. Artjushenko, P. B. Baskov, G. M. Kuz´micheva, M. D. Musina, V. V. Sakharov, and T. V. Sakharova, “Structure and properties of AgCl1−xBrx (x=0.5−0.8) optical fibers,” Inorg. Mater. 41, 178–181 (2005).

Baskov, P. B.

V. G. Artjushenko, P. B. Baskov, G. M. Kuz´micheva, M. D. Musina, V. V. Sakharov, and T. V. Sakharova, “Structure and properties of AgCl1−xBrx (x=0.5−0.8) optical fibers,” Inorg. Mater. 41, 178–181 (2005).

Butvina, L. N.

Chazov, A.

A. Korsakov, L. Zhukova, E. Korsakova, and A. Chazov, “Thermodynamic study of phase equilibrium crystal-melt diagrams in heterogeneous system AgBr- TlI,” Melts A 6, 76–84 (2010).

L. Zhukova, N. Primerov, A. Korsakov, and A. Chazov, “Crystals for IR techniques AgClxBr1−x and AgClxBryI1−x−y and optical fibers based on them,” Inorg. Mater. 44, 1516–1521 (2008).

L. Zhukova, N. Primerov, A. Chazov, and A. Korsakov, “Single-mode crystal infra-red light pipe,” in Proceedings of Thirty Sixth International Exhibition of Inventions, New Techniques and Products (2008), p. 133.

L. Zhukova, N. Primerov, A. Chazov, A. Korsakov, and V. Zhukov, “Single-mode double-layered crystalline IR fiber,” Patent of Russian Federation No. 2340920. Stat. 23August, 2007, Publ. 10December, 2008, Bul. No. 34.

L. Zhukova, N. Primerov, A. Chazov, and A. Korsakov, “Single-mode crystalline IR fiber,” Patent of Russian Federation No. 2340921. Stat. 2August, 2007, Publ. 10December, 2008, Bul. No. 34.

L. Zhukova, A. Korsakov, A. Chazov, E. Korsakova, D. Vrublevsky, V. Korsakov, and V. Zhukov, “Modeling and production of new nanodefective IR crystals based on silver halides solid solutions,” in Proceedings of the Ninth International Conference “Applied Optics 2010” (D. S. Rozhdestvensky Optical Society, 2010), pp. 99–104.

Dianov, E. M.

Flatscher, R.

R. Flatscher, O. Wallner, V. Artjushenko, and J. Pereire do Carmo, “Manufacturing of chalcogenide and silver-halide single-mode fibers for modal wavefront filtering for Darwin,” in Proceedings of Sixth International Conference on Space Optics, (2006), ESA-SP 621.

Fuchs, F.

T. Lewi, A. Tsun, A. Katzir, J. Kaster, and F. Fuchs, “Silver halide single mode fibers for broadband middle infrared stellar interferometry,” Appl. Phys. Lett. 94, 261105 (2009).

Grille, R.

Kaster, J.

T. Lewi, A. Tsun, A. Katzir, J. Kaster, and F. Fuchs, “Silver halide single mode fibers for broadband middle infrared stellar interferometry,” Appl. Phys. Lett. 94, 261105 (2009).

Katzir, A.

T. Lewi, A. Tsun, A. Katzir, J. Kaster, and F. Fuchs, “Silver halide single mode fibers for broadband middle infrared stellar interferometry,” Appl. Phys. Lett. 94, 261105 (2009).

R. Grille, G. Martin, L. Labadie, B. Arezki, P. Kern, T. Lewi, A. Tsun, and A. Katzir, “Single mode Mid-infrared silver halide asymmetric flat waveguide obtained from crystal extrusion,” Opt. Express 17, 12516–12522 (2009).

A. Millo, L. Lobachinsky, and A. Katzir, “Single-mode index-guiding photonic crystal fibers for the middle infrared,” Photon. Technol. Lett. 20, 869–871 (2008).

Kern, P.

Korsakov, A.

A. Korsakov, L. Zhukova, E. Korsakova, and A. Chazov, “Thermodynamic study of phase equilibrium crystal-melt diagrams in heterogeneous system AgBr- TlI,” Melts A 6, 76–84 (2010).

L. Zhukova, N. Primerov, A. Korsakov, and A. Chazov, “Crystals for IR techniques AgClxBr1−x and AgClxBryI1−x−y and optical fibers based on them,” Inorg. Mater. 44, 1516–1521 (2008).

L. Zhukova, N. Primerov, A. Chazov, and A. Korsakov, “Single-mode crystal infra-red light pipe,” in Proceedings of Thirty Sixth International Exhibition of Inventions, New Techniques and Products (2008), p. 133.

L. Zhukova, N. Primerov, A. Chazov, and A. Korsakov, “Single-mode crystalline IR fiber,” Patent of Russian Federation No. 2340921. Stat. 2August, 2007, Publ. 10December, 2008, Bul. No. 34.

L. Zhukova, N. Primerov, A. Chazov, A. Korsakov, and V. Zhukov, “Single-mode double-layered crystalline IR fiber,” Patent of Russian Federation No. 2340920. Stat. 23August, 2007, Publ. 10December, 2008, Bul. No. 34.

L. Zhukova, A. Korsakov, A. Chazov, E. Korsakova, D. Vrublevsky, V. Korsakov, and V. Zhukov, “Modeling and production of new nanodefective IR crystals based on silver halides solid solutions,” in Proceedings of the Ninth International Conference “Applied Optics 2010” (D. S. Rozhdestvensky Optical Society, 2010), pp. 99–104.

Korsakov, V.

L. Zhukova, A. Korsakov, A. Chazov, E. Korsakova, D. Vrublevsky, V. Korsakov, and V. Zhukov, “Modeling and production of new nanodefective IR crystals based on silver halides solid solutions,” in Proceedings of the Ninth International Conference “Applied Optics 2010” (D. S. Rozhdestvensky Optical Society, 2010), pp. 99–104.

Korsakova, E.

A. Korsakov, L. Zhukova, E. Korsakova, and A. Chazov, “Thermodynamic study of phase equilibrium crystal-melt diagrams in heterogeneous system AgBr- TlI,” Melts A 6, 76–84 (2010).

L. Zhukova, A. Korsakov, A. Chazov, E. Korsakova, D. Vrublevsky, V. Korsakov, and V. Zhukov, “Modeling and production of new nanodefective IR crystals based on silver halides solid solutions,” in Proceedings of the Ninth International Conference “Applied Optics 2010” (D. S. Rozhdestvensky Optical Society, 2010), pp. 99–104.

Kovtunenko, P. V.

P. V. Kovtunenko, Physical Chemistry of Solid State. Defective Crystals (Higher School, 1993).

Kuz´micheva, G. M.

V. G. Artjushenko, P. B. Baskov, G. M. Kuz´micheva, M. D. Musina, V. V. Sakharov, and T. V. Sakharova, “Structure and properties of AgCl1−xBrx (x=0.5−0.8) optical fibers,” Inorg. Mater. 41, 178–181 (2005).

Labadie, L.

Lewi, T.

R. Grille, G. Martin, L. Labadie, B. Arezki, P. Kern, T. Lewi, A. Tsun, and A. Katzir, “Single mode Mid-infrared silver halide asymmetric flat waveguide obtained from crystal extrusion,” Opt. Express 17, 12516–12522 (2009).

T. Lewi, A. Tsun, A. Katzir, J. Kaster, and F. Fuchs, “Silver halide single mode fibers for broadband middle infrared stellar interferometry,” Appl. Phys. Lett. 94, 261105 (2009).

Lichkova, N. V.

Lobachinsky, L.

A. Millo, L. Lobachinsky, and A. Katzir, “Single-mode index-guiding photonic crystal fibers for the middle infrared,” Photon. Technol. Lett. 20, 869–871 (2008).

Martin, G.

Millo, A.

A. Millo, L. Lobachinsky, and A. Katzir, “Single-mode index-guiding photonic crystal fibers for the middle infrared,” Photon. Technol. Lett. 20, 869–871 (2008).

Musina, M. D.

V. G. Artjushenko, P. B. Baskov, G. M. Kuz´micheva, M. D. Musina, V. V. Sakharov, and T. V. Sakharova, “Structure and properties of AgCl1−xBrx (x=0.5−0.8) optical fibers,” Inorg. Mater. 41, 178–181 (2005).

Pereire do Carmo, J.

R. Flatscher, O. Wallner, V. Artjushenko, and J. Pereire do Carmo, “Manufacturing of chalcogenide and silver-halide single-mode fibers for modal wavefront filtering for Darwin,” in Proceedings of Sixth International Conference on Space Optics, (2006), ESA-SP 621.

Primerov, N.

L. Zhukova, N. Primerov, A. Korsakov, and A. Chazov, “Crystals for IR techniques AgClxBr1−x and AgClxBryI1−x−y and optical fibers based on them,” Inorg. Mater. 44, 1516–1521 (2008).

L. Zhukova, N. Primerov, A. Chazov, and A. Korsakov, “Single-mode crystal infra-red light pipe,” in Proceedings of Thirty Sixth International Exhibition of Inventions, New Techniques and Products (2008), p. 133.

L. Zhukova, N. Primerov, A. Chazov, A. Korsakov, and V. Zhukov, “Single-mode double-layered crystalline IR fiber,” Patent of Russian Federation No. 2340920. Stat. 23August, 2007, Publ. 10December, 2008, Bul. No. 34.

L. Zhukova, N. Primerov, A. Chazov, and A. Korsakov, “Single-mode crystalline IR fiber,” Patent of Russian Federation No. 2340921. Stat. 2August, 2007, Publ. 10December, 2008, Bul. No. 34.

Sakharov, V. V.

V. G. Artjushenko, P. B. Baskov, G. M. Kuz´micheva, M. D. Musina, V. V. Sakharov, and T. V. Sakharova, “Structure and properties of AgCl1−xBrx (x=0.5−0.8) optical fibers,” Inorg. Mater. 41, 178–181 (2005).

Sakharova, T. V.

V. G. Artjushenko, P. B. Baskov, G. M. Kuz´micheva, M. D. Musina, V. V. Sakharov, and T. V. Sakharova, “Structure and properties of AgCl1−xBrx (x=0.5−0.8) optical fibers,” Inorg. Mater. 41, 178–181 (2005).

Sereda, O. V.

Tsun, A.

T. Lewi, A. Tsun, A. Katzir, J. Kaster, and F. Fuchs, “Silver halide single mode fibers for broadband middle infrared stellar interferometry,” Appl. Phys. Lett. 94, 261105 (2009).

R. Grille, G. Martin, L. Labadie, B. Arezki, P. Kern, T. Lewi, A. Tsun, and A. Katzir, “Single mode Mid-infrared silver halide asymmetric flat waveguide obtained from crystal extrusion,” Opt. Express 17, 12516–12522 (2009).

Vrublevsky, D.

L. Zhukova, A. Korsakov, A. Chazov, E. Korsakova, D. Vrublevsky, V. Korsakov, and V. Zhukov, “Modeling and production of new nanodefective IR crystals based on silver halides solid solutions,” in Proceedings of the Ninth International Conference “Applied Optics 2010” (D. S. Rozhdestvensky Optical Society, 2010), pp. 99–104.

Wallner, O.

R. Flatscher, O. Wallner, V. Artjushenko, and J. Pereire do Carmo, “Manufacturing of chalcogenide and silver-halide single-mode fibers for modal wavefront filtering for Darwin,” in Proceedings of Sixth International Conference on Space Optics, (2006), ESA-SP 621.

Zagorodnev, V. N.

Zhukov, V.

L. Zhukova, A. Korsakov, A. Chazov, E. Korsakova, D. Vrublevsky, V. Korsakov, and V. Zhukov, “Modeling and production of new nanodefective IR crystals based on silver halides solid solutions,” in Proceedings of the Ninth International Conference “Applied Optics 2010” (D. S. Rozhdestvensky Optical Society, 2010), pp. 99–104.

L. Zhukova, N. Primerov, A. Chazov, A. Korsakov, and V. Zhukov, “Single-mode double-layered crystalline IR fiber,” Patent of Russian Federation No. 2340920. Stat. 23August, 2007, Publ. 10December, 2008, Bul. No. 34.

Zhukova, L.

A. Korsakov, L. Zhukova, E. Korsakova, and A. Chazov, “Thermodynamic study of phase equilibrium crystal-melt diagrams in heterogeneous system AgBr- TlI,” Melts A 6, 76–84 (2010).

L. Zhukova, N. Primerov, A. Korsakov, and A. Chazov, “Crystals for IR techniques AgClxBr1−x and AgClxBryI1−x−y and optical fibers based on them,” Inorg. Mater. 44, 1516–1521 (2008).

L. Zhukova, N. Primerov, A. Chazov, and A. Korsakov, “Single-mode crystal infra-red light pipe,” in Proceedings of Thirty Sixth International Exhibition of Inventions, New Techniques and Products (2008), p. 133.

L. Zhukova, N. Primerov, A. Chazov, A. Korsakov, and V. Zhukov, “Single-mode double-layered crystalline IR fiber,” Patent of Russian Federation No. 2340920. Stat. 23August, 2007, Publ. 10December, 2008, Bul. No. 34.

L. Zhukova, N. Primerov, A. Chazov, and A. Korsakov, “Single-mode crystalline IR fiber,” Patent of Russian Federation No. 2340921. Stat. 2August, 2007, Publ. 10December, 2008, Bul. No. 34.

L. Zhukova, A. Korsakov, A. Chazov, E. Korsakova, D. Vrublevsky, V. Korsakov, and V. Zhukov, “Modeling and production of new nanodefective IR crystals based on silver halides solid solutions,” in Proceedings of the Ninth International Conference “Applied Optics 2010” (D. S. Rozhdestvensky Optical Society, 2010), pp. 99–104.

Appl. Phys. Lett. (1)

T. Lewi, A. Tsun, A. Katzir, J. Kaster, and F. Fuchs, “Silver halide single mode fibers for broadband middle infrared stellar interferometry,” Appl. Phys. Lett. 94, 261105 (2009).

Inorg. Mater. (2)

L. Zhukova, N. Primerov, A. Korsakov, and A. Chazov, “Crystals for IR techniques AgClxBr1−x and AgClxBryI1−x−y and optical fibers based on them,” Inorg. Mater. 44, 1516–1521 (2008).

V. G. Artjushenko, P. B. Baskov, G. M. Kuz´micheva, M. D. Musina, V. V. Sakharov, and T. V. Sakharova, “Structure and properties of AgCl1−xBrx (x=0.5−0.8) optical fibers,” Inorg. Mater. 41, 178–181 (2005).

Melts A (1)

A. Korsakov, L. Zhukova, E. Korsakova, and A. Chazov, “Thermodynamic study of phase equilibrium crystal-melt diagrams in heterogeneous system AgBr- TlI,” Melts A 6, 76–84 (2010).

Opt. Express (1)

Opt. Lett. (1)

Photon. Technol. Lett. (1)

A. Millo, L. Lobachinsky, and A. Katzir, “Single-mode index-guiding photonic crystal fibers for the middle infrared,” Photon. Technol. Lett. 20, 869–871 (2008).

Other (10)

R. Flatscher, O. Wallner, V. Artjushenko, and J. Pereire do Carmo, “Manufacturing of chalcogenide and silver-halide single-mode fibers for modal wavefront filtering for Darwin,” in Proceedings of Sixth International Conference on Space Optics, (2006), ESA-SP 621.

N. Primerov, “Synthesis and study of crystals AgClxBr1−x, AgClxBryI1−x−y, doped with rare elements, and manufacturing of optical fibers based on them,” http://dlib.rsl.ru/load.php?path=/rsl01004000000/rsl01004826000/rsl01004826602/rsl01004826602.pdf .

A. Korsakov, “Physical-chemical fundamentals of silver and thallium (I) halides solid solutions for IR fiber optics,” http://www.ihte.uran.ru/info/dissertationsoviet/dissertations.php?loc=0&dssprt_id=47 .

L. Zhukova, N. Primerov, A. Chazov, and A. Korsakov, “Single-mode crystal infra-red light pipe,” in Proceedings of Thirty Sixth International Exhibition of Inventions, New Techniques and Products (2008), p. 133.

L. Zhukova, N. Primerov, A. Chazov, A. Korsakov, and V. Zhukov, “Single-mode double-layered crystalline IR fiber,” Patent of Russian Federation No. 2340920. Stat. 23August, 2007, Publ. 10December, 2008, Bul. No. 34.

L. Zhukova, N. Primerov, A. Chazov, and A. Korsakov, “Single-mode crystalline IR fiber,” Patent of Russian Federation No. 2340921. Stat. 2August, 2007, Publ. 10December, 2008, Bul. No. 34.

P. V. Kovtunenko, Physical Chemistry of Solid State. Defective Crystals (Higher School, 1993).

L. Zhukova, A. Korsakov, A. Chazov, E. Korsakova, D. Vrublevsky, V. Korsakov, and V. Zhukov, “Modeling and production of new nanodefective IR crystals based on silver halides solid solutions,” in Proceedings of the Ninth International Conference “Applied Optics 2010” (D. S. Rozhdestvensky Optical Society, 2010), pp. 99–104.

The Applied Physics Group, http://www.tau.ac.il/~applphys/research_refract_index_msr.htm .

The Source—Model Technique Package, http://webee.technion.ac.il/leviatan/smtp .

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Figures (6)

Fig. 1.
Fig. 1.

Spectral transmission of crystals based on solid solutions of silver and thallium halides. The transmission has been measured for 3 mm thickness discs cut from crystals, and then mechanically and chemically polished. 1— AgCl 0.25 Br 0.75 ; 2— Ag 0.98 Tl 0.02 Cl 0.20 Br 0.77 I 0.02 ; 3— Ag 0.92 Tl 0.08 Br 0.92 I 0.08 ; 4—KRS-5.

Fig. 2.
Fig. 2.

(a) Emulated mode distribution for 2 types of fibers: sample 1 and sample 2. The calculated core diameter for both types of fibers is 27 µm at λ = 10.6 μm . (b) View of the cross-section of step-index single mode fiber (sample 1).

Fig. 3.
Fig. 3.

(a) Emulated mode distribution for fiber sample 3. (b) View of the cross-section of PCF fiber (sample 3)

Fig. 4.
Fig. 4.

Measured far field intensity distribution of 1.5 m long fibers.

Fig. 5.
Fig. 5.

Absorption in IR fibers as a function of UV irradiation time ( T ir ) for the sample with composition Ag 0.99 Tl 0.01 Cl 0.20 Br 0.79 I 0.01 .

Fig. 6.
Fig. 6.

Relative increase of optical losses in single-layered IR fibers depending on time of exposure to UV light ( λ = 320 nm , output power 100 W). IR fibers composition is the following: sample 1- Ag 0.95 Tl 0.05 Br 0.95 I 0.05 , sample 2- Ag 0.99 Tl 0.01 Cl 0.20 Br 0.79 I 0.01 , sample 3- AgCl 0.25 Br 0.75 .

Tables (3)

Tables Icon

Table 1. Calculation of Fundamental Characteristics of a Single-Mode Fiber with a Core Made of AgCl 0.25 Br 0.75 and Cladding Made of AgCl x Br 1 x (All Parameters Calculated for λ = 10.6 μm )

Tables Icon

Table 2. Calculation of Fundamental Characteristics of a Single-Mode Fiber with a Core Made of Ag 1 x Tl x Cl y Br z I 1 y z and Cladding Made of AgCl 0.25 Br 0.75 (All Parameters were Calculated for λ = 10.6 μm )

Tables Icon

Table 3. Grain Sizes and Optical Losses in IR Fibers as a Function of Composition

Equations (2)

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n = 10 4 2 · δ k · cos θ · s .
d = V · λ π · ( n core 2 n clad 2 ) = 2.405 · 10.6 3 . 14 · ( 2 . 2 2 2 . 18 2 ) = 27.43 μm ,

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