Abstract

Two new nondestructive methods for measuring refractive index are presented. The methods are promising for investigating new materials because they do not require contact with the sample surfaces or étalon samples. Results of measurements of optical properties for photopolymer rheoxane are presented. In the IR spectral band the dispersion is almost zero and the transmission is almost constant. The refractive index varies over the spectral range of 1.15–3.39 μm by a few parts in the third decimal place. The dependence of the refractive index on temperature from 10 to 50 °C is comparable with the analogous dependence for optical glasses.

© 1995 Optical Society of America

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  1. V. A. Moskalev, L. A. Smirnova, “Interference methods of measuring the refractive index,” Opt. Mekh. Promst. 54, 6–8 (1987) [Sov. J. Opt. Technol. 54, 461–463 (1987)].
  2. G. I. Lashkov, V. I. Sukhanov, Opt. Spektrosk. 44, 1008–1015 (1978) [Opt. Spectrosc. (USSR) 44, 590–596 (1978)].
  3. G. I. Lashkov, E. N. Bodunov, “Reactions of sensibilized photooxidation in phase registration of optical image,” Opt. Spektrosk. 47, 1126–1128 (1979) [Opt. Spectrosc. (USSR) 47, 625–627 (1979)].
  4. Yu. N. Denisyuk, ed., Optical Holography (Nauka, Leningrad, 1979).
  5. O. B. Ratner, A. V. Kazannikova, Opt. Mekh. Promst. 57, 36–39 (1990) [Sov. J. Opt. Technol. 57, 360–362 (1990)].
  6. M. V. Leikin, B. I. Molochnikov, V. N. Morozov, E. S. Shakaryan, Reflecting Refractometry (Mashinostroyeniye, Leningrad, 1983).
  7. B. I. Molochnikov, E. S. Shakaryan, V. M. Zolotarev, M. V. Leiken, I. S. Vasilyeva, V. N. Morozov, S. M. Sutovsky, A. I. Penkovsky, N. A. Anikin, “Method for measuring refractive index of absorbing media and device for its implementation,” Soviet patent623.143, Bull. Izobret. Tov. Znakov 33 (September1978).
  8. B. I. Molochnikov, S. I. Vavilov, State Optical Institute, St. Petersburg 199034, Russia (personal communication, 1991).

1990 (1)

O. B. Ratner, A. V. Kazannikova, Opt. Mekh. Promst. 57, 36–39 (1990) [Sov. J. Opt. Technol. 57, 360–362 (1990)].

1987 (1)

V. A. Moskalev, L. A. Smirnova, “Interference methods of measuring the refractive index,” Opt. Mekh. Promst. 54, 6–8 (1987) [Sov. J. Opt. Technol. 54, 461–463 (1987)].

1979 (1)

G. I. Lashkov, E. N. Bodunov, “Reactions of sensibilized photooxidation in phase registration of optical image,” Opt. Spektrosk. 47, 1126–1128 (1979) [Opt. Spectrosc. (USSR) 47, 625–627 (1979)].

1978 (1)

G. I. Lashkov, V. I. Sukhanov, Opt. Spektrosk. 44, 1008–1015 (1978) [Opt. Spectrosc. (USSR) 44, 590–596 (1978)].

Anikin, N. A.

B. I. Molochnikov, E. S. Shakaryan, V. M. Zolotarev, M. V. Leiken, I. S. Vasilyeva, V. N. Morozov, S. M. Sutovsky, A. I. Penkovsky, N. A. Anikin, “Method for measuring refractive index of absorbing media and device for its implementation,” Soviet patent623.143, Bull. Izobret. Tov. Znakov 33 (September1978).

Bodunov, E. N.

G. I. Lashkov, E. N. Bodunov, “Reactions of sensibilized photooxidation in phase registration of optical image,” Opt. Spektrosk. 47, 1126–1128 (1979) [Opt. Spectrosc. (USSR) 47, 625–627 (1979)].

Kazannikova, A. V.

O. B. Ratner, A. V. Kazannikova, Opt. Mekh. Promst. 57, 36–39 (1990) [Sov. J. Opt. Technol. 57, 360–362 (1990)].

Lashkov, G. I.

G. I. Lashkov, E. N. Bodunov, “Reactions of sensibilized photooxidation in phase registration of optical image,” Opt. Spektrosk. 47, 1126–1128 (1979) [Opt. Spectrosc. (USSR) 47, 625–627 (1979)].

G. I. Lashkov, V. I. Sukhanov, Opt. Spektrosk. 44, 1008–1015 (1978) [Opt. Spectrosc. (USSR) 44, 590–596 (1978)].

Leiken, M. V.

B. I. Molochnikov, E. S. Shakaryan, V. M. Zolotarev, M. V. Leiken, I. S. Vasilyeva, V. N. Morozov, S. M. Sutovsky, A. I. Penkovsky, N. A. Anikin, “Method for measuring refractive index of absorbing media and device for its implementation,” Soviet patent623.143, Bull. Izobret. Tov. Znakov 33 (September1978).

Leikin, M. V.

M. V. Leikin, B. I. Molochnikov, V. N. Morozov, E. S. Shakaryan, Reflecting Refractometry (Mashinostroyeniye, Leningrad, 1983).

Molochnikov, B. I.

M. V. Leikin, B. I. Molochnikov, V. N. Morozov, E. S. Shakaryan, Reflecting Refractometry (Mashinostroyeniye, Leningrad, 1983).

B. I. Molochnikov, E. S. Shakaryan, V. M. Zolotarev, M. V. Leiken, I. S. Vasilyeva, V. N. Morozov, S. M. Sutovsky, A. I. Penkovsky, N. A. Anikin, “Method for measuring refractive index of absorbing media and device for its implementation,” Soviet patent623.143, Bull. Izobret. Tov. Znakov 33 (September1978).

B. I. Molochnikov, S. I. Vavilov, State Optical Institute, St. Petersburg 199034, Russia (personal communication, 1991).

Morozov, V. N.

B. I. Molochnikov, E. S. Shakaryan, V. M. Zolotarev, M. V. Leiken, I. S. Vasilyeva, V. N. Morozov, S. M. Sutovsky, A. I. Penkovsky, N. A. Anikin, “Method for measuring refractive index of absorbing media and device for its implementation,” Soviet patent623.143, Bull. Izobret. Tov. Znakov 33 (September1978).

M. V. Leikin, B. I. Molochnikov, V. N. Morozov, E. S. Shakaryan, Reflecting Refractometry (Mashinostroyeniye, Leningrad, 1983).

Moskalev, V. A.

V. A. Moskalev, L. A. Smirnova, “Interference methods of measuring the refractive index,” Opt. Mekh. Promst. 54, 6–8 (1987) [Sov. J. Opt. Technol. 54, 461–463 (1987)].

Penkovsky, A. I.

B. I. Molochnikov, E. S. Shakaryan, V. M. Zolotarev, M. V. Leiken, I. S. Vasilyeva, V. N. Morozov, S. M. Sutovsky, A. I. Penkovsky, N. A. Anikin, “Method for measuring refractive index of absorbing media and device for its implementation,” Soviet patent623.143, Bull. Izobret. Tov. Znakov 33 (September1978).

Ratner, O. B.

O. B. Ratner, A. V. Kazannikova, Opt. Mekh. Promst. 57, 36–39 (1990) [Sov. J. Opt. Technol. 57, 360–362 (1990)].

Shakaryan, E. S.

B. I. Molochnikov, E. S. Shakaryan, V. M. Zolotarev, M. V. Leiken, I. S. Vasilyeva, V. N. Morozov, S. M. Sutovsky, A. I. Penkovsky, N. A. Anikin, “Method for measuring refractive index of absorbing media and device for its implementation,” Soviet patent623.143, Bull. Izobret. Tov. Znakov 33 (September1978).

M. V. Leikin, B. I. Molochnikov, V. N. Morozov, E. S. Shakaryan, Reflecting Refractometry (Mashinostroyeniye, Leningrad, 1983).

Smirnova, L. A.

V. A. Moskalev, L. A. Smirnova, “Interference methods of measuring the refractive index,” Opt. Mekh. Promst. 54, 6–8 (1987) [Sov. J. Opt. Technol. 54, 461–463 (1987)].

Sukhanov, V. I.

G. I. Lashkov, V. I. Sukhanov, Opt. Spektrosk. 44, 1008–1015 (1978) [Opt. Spectrosc. (USSR) 44, 590–596 (1978)].

Sutovsky, S. M.

B. I. Molochnikov, E. S. Shakaryan, V. M. Zolotarev, M. V. Leiken, I. S. Vasilyeva, V. N. Morozov, S. M. Sutovsky, A. I. Penkovsky, N. A. Anikin, “Method for measuring refractive index of absorbing media and device for its implementation,” Soviet patent623.143, Bull. Izobret. Tov. Znakov 33 (September1978).

Vasilyeva, I. S.

B. I. Molochnikov, E. S. Shakaryan, V. M. Zolotarev, M. V. Leiken, I. S. Vasilyeva, V. N. Morozov, S. M. Sutovsky, A. I. Penkovsky, N. A. Anikin, “Method for measuring refractive index of absorbing media and device for its implementation,” Soviet patent623.143, Bull. Izobret. Tov. Znakov 33 (September1978).

Vavilov, S. I.

B. I. Molochnikov, S. I. Vavilov, State Optical Institute, St. Petersburg 199034, Russia (personal communication, 1991).

Zolotarev, V. M.

B. I. Molochnikov, E. S. Shakaryan, V. M. Zolotarev, M. V. Leiken, I. S. Vasilyeva, V. N. Morozov, S. M. Sutovsky, A. I. Penkovsky, N. A. Anikin, “Method for measuring refractive index of absorbing media and device for its implementation,” Soviet patent623.143, Bull. Izobret. Tov. Znakov 33 (September1978).

Opt. Spektrosk. (1)

G. I. Lashkov, E. N. Bodunov, “Reactions of sensibilized photooxidation in phase registration of optical image,” Opt. Spektrosk. 47, 1126–1128 (1979) [Opt. Spectrosc. (USSR) 47, 625–627 (1979)].

Opt. Mekh. Promst. (2)

V. A. Moskalev, L. A. Smirnova, “Interference methods of measuring the refractive index,” Opt. Mekh. Promst. 54, 6–8 (1987) [Sov. J. Opt. Technol. 54, 461–463 (1987)].

O. B. Ratner, A. V. Kazannikova, Opt. Mekh. Promst. 57, 36–39 (1990) [Sov. J. Opt. Technol. 57, 360–362 (1990)].

Opt. Spektrosk. (1)

G. I. Lashkov, V. I. Sukhanov, Opt. Spektrosk. 44, 1008–1015 (1978) [Opt. Spectrosc. (USSR) 44, 590–596 (1978)].

Other (4)

Yu. N. Denisyuk, ed., Optical Holography (Nauka, Leningrad, 1979).

M. V. Leikin, B. I. Molochnikov, V. N. Morozov, E. S. Shakaryan, Reflecting Refractometry (Mashinostroyeniye, Leningrad, 1983).

B. I. Molochnikov, E. S. Shakaryan, V. M. Zolotarev, M. V. Leiken, I. S. Vasilyeva, V. N. Morozov, S. M. Sutovsky, A. I. Penkovsky, N. A. Anikin, “Method for measuring refractive index of absorbing media and device for its implementation,” Soviet patent623.143, Bull. Izobret. Tov. Znakov 33 (September1978).

B. I. Molochnikov, S. I. Vavilov, State Optical Institute, St. Petersburg 199034, Russia (personal communication, 1991).

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Figures (6)

Fig. 1
Fig. 1

Principal scheme for measuring n by the interference method.

Fig. 2
Fig. 2

Diagram of the light rays in the collimation method for measuring n.

Fig. 3
Fig. 3

Scheme of the apparatus for measuring the refractive index by use of the interference method.

Fig. 4
Fig. 4

Scheme of the apparatus for measuring the refractive index by use of the collimation method.

Fig. 5
Fig. 5

Dispersion curves n = f(λ) of rheoxane samples.

Fig. 6
Fig. 6

Experimental graphs of the transmission of rheoxane samples.

Tables (1)

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Table 1 Measurements of Refractive Index Using Five Methods

Equations (12)

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Δ = K 1 λ = 2 t ( x , y ) ( n - 1 ) .
Δ = K 0 λ = 2 t ( x , y ) n ,
( d p d x ) 1 = 2 t ( x , y ) λ - 1 ( n - 1 ) , ( d p d x ) 0 = 2 t ( x , y ) λ - 1 n .
( d K 1 d x ) 1 / ( d K 0 d x ) 1 = n - 1 n = Γ .
n = ( d K 0 d x ) / [ ( d K 0 d x ) ( d K 1 d x ) ] .
n = 1 1 - b 0 / b 1
ω 01 - n α ,
ω 1 = n α - α .
ω 02 - 3 α n ,
ω 2 = 3 α n - α .
n = ω 1 - ω 2 3 ω 1 - 1 ω 2 .
n = ω 1 - ω 2 ( 2 p + 1 ) ω 1 - ( 2 k + 1 ) ω 2 ,

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