Abstract

A modified method of checking laser beam collimation by using Talbot interferometry coupled with a moiré phenomenon is described.

© 1993 Optical Society of America

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References

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  1. M. V. R. K. Murthy, “The use of a single plane parallel plate as a lateral shearing interferometer with a visible gas laser source,” Appl. Opt. 3, 531–534 (1964).
    [Crossref]
  2. P. Langenbeck, “Improved collimation test,” Appl. Opt. 9, 2590–2593 (1970).
    [Crossref] [PubMed]
  3. D. Malacara, ed., Optical Shop Testing (Wiley, New York, 1978), Chap. 4.
  4. R. S. Sirohi, M. P. Kothiyal, “Double wedge plate shearing interferometer for collimation test,” Appl. Opt. 26, 4054–4056 (1987).
    [Crossref] [PubMed]
  5. R. P. Shukla, M. Dokhanian, M. C. George, P. Venkateswarlu, “Laser beam collimation using a phase conjugate Twyman–Green interferometer,” Opt. Eng. 30, 386–390 (1991).
    [Crossref]
  6. D. E. Silva, “A simple interferometric method of beam collimation,” Appl. Opt. 10, 1980–1982 (1971).
    [Crossref]
  7. J. C. Fouere, D. Malacara, “Focusing errors in a collimating lens or mirror: use of a moiré technique,” Appl. Opt. 13, 1322–1326 (1974).
    [Crossref] [PubMed]
  8. S. Yokozeki, K. Patorski, K. Ohnishi, “Collimation method using Fourier imaging and moiré techniques,” Opt. Commun. 14, 401–405 (1975).
    [Crossref]
  9. K. Patorski, S. Yokozeki, T. Suzuki, “Collimation test by double grating shearing interferometer,” Appl. Opt. 15, 1234–1240 (1976).
    [Crossref] [PubMed]
  10. M. P. Kothiyal, R. S. Sirohi, “Improved collimation testing using Talbot interferometry,” Appl. Opt. 26, 4056–4057 (1987).
    [Crossref] [PubMed]

1991 (1)

R. P. Shukla, M. Dokhanian, M. C. George, P. Venkateswarlu, “Laser beam collimation using a phase conjugate Twyman–Green interferometer,” Opt. Eng. 30, 386–390 (1991).
[Crossref]

1987 (2)

1976 (1)

1975 (1)

S. Yokozeki, K. Patorski, K. Ohnishi, “Collimation method using Fourier imaging and moiré techniques,” Opt. Commun. 14, 401–405 (1975).
[Crossref]

1974 (1)

1971 (1)

1970 (1)

1964 (1)

Dokhanian, M.

R. P. Shukla, M. Dokhanian, M. C. George, P. Venkateswarlu, “Laser beam collimation using a phase conjugate Twyman–Green interferometer,” Opt. Eng. 30, 386–390 (1991).
[Crossref]

Fouere, J. C.

George, M. C.

R. P. Shukla, M. Dokhanian, M. C. George, P. Venkateswarlu, “Laser beam collimation using a phase conjugate Twyman–Green interferometer,” Opt. Eng. 30, 386–390 (1991).
[Crossref]

Kothiyal, M. P.

Langenbeck, P.

Malacara, D.

Murthy, M. V. R. K.

Ohnishi, K.

S. Yokozeki, K. Patorski, K. Ohnishi, “Collimation method using Fourier imaging and moiré techniques,” Opt. Commun. 14, 401–405 (1975).
[Crossref]

Patorski, K.

K. Patorski, S. Yokozeki, T. Suzuki, “Collimation test by double grating shearing interferometer,” Appl. Opt. 15, 1234–1240 (1976).
[Crossref] [PubMed]

S. Yokozeki, K. Patorski, K. Ohnishi, “Collimation method using Fourier imaging and moiré techniques,” Opt. Commun. 14, 401–405 (1975).
[Crossref]

Shukla, R. P.

R. P. Shukla, M. Dokhanian, M. C. George, P. Venkateswarlu, “Laser beam collimation using a phase conjugate Twyman–Green interferometer,” Opt. Eng. 30, 386–390 (1991).
[Crossref]

Silva, D. E.

Sirohi, R. S.

Suzuki, T.

Venkateswarlu, P.

R. P. Shukla, M. Dokhanian, M. C. George, P. Venkateswarlu, “Laser beam collimation using a phase conjugate Twyman–Green interferometer,” Opt. Eng. 30, 386–390 (1991).
[Crossref]

Yokozeki, S.

K. Patorski, S. Yokozeki, T. Suzuki, “Collimation test by double grating shearing interferometer,” Appl. Opt. 15, 1234–1240 (1976).
[Crossref] [PubMed]

S. Yokozeki, K. Patorski, K. Ohnishi, “Collimation method using Fourier imaging and moiré techniques,” Opt. Commun. 14, 401–405 (1975).
[Crossref]

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Figures (3)

Fig. 1
Fig. 1

Schematic of the experimental arrangement.

Fig. 2
Fig. 2

Moiré fringes formed by the superposition of the retroreflected self-image on the actual grating.

Fig. 3
Fig. 3

Moiré fringes obtained with (a) divergent, (b) collimated, and (c) convergent beams.

Equations (3)

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Z m = m λ μ 2 ,
P = d 2 sin ( θ 2 ) ,
Δ μ = μ Z m R ,

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