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References

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  1. K. Creath, “Phase-Measurement Interferometry Techniques,” Prog. Opt. 26, 349 (1988).
    [CrossRef]
  2. Y. Ishii, J. Chen, K. Murata, “Digital Phase-Measuring Interferometry with a Tunable Laser Diode,” Opt. Lett. 12, 233 (1987).
    [CrossRef] [PubMed]
  3. T. Kubota, M. Nara, T. Yoshino, “Interferometer for Measuring Displacement and Distance,” Opt. Lett. 12, 310 (1987).
    [CrossRef] [PubMed]
  4. P. Hariharan, B. F. Oreb, T. Eiju, “Digital Phase-Shifting Interferometry: a Simple Error-Compensating Phase Calculation Algorithm,” Appl. Opt. 26, 2504 (1987).
    [CrossRef] [PubMed]

1988 (1)

K. Creath, “Phase-Measurement Interferometry Techniques,” Prog. Opt. 26, 349 (1988).
[CrossRef]

1987 (3)

Chen, J.

Creath, K.

K. Creath, “Phase-Measurement Interferometry Techniques,” Prog. Opt. 26, 349 (1988).
[CrossRef]

Eiju, T.

Hariharan, P.

Ishii, Y.

Kubota, T.

Murata, K.

Nara, M.

Oreb, B. F.

Yoshino, T.

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Figures (1)

Fig. 1
Fig. 1

Phase error plotted against the phase difference when the laser output changes by 5% for a phase shift of 180°.

Equations (9)

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α = ( 2 π / λ 0 2 ) p · Δ λ ,
I 1 = ( 1 - Δ I ) [ A + B - 2 ( A B ) 1 / 2 cos φ ] , I 2 = ( 1 - Δ I / 2 ) [ A + B + 2 ( A B ) 1 / 2 sin φ ] , I 3 = [ A + B + 2 ( A B ) 1 / 2 cos φ ] , I 4 = ( 1 + Δ I / 2 ) [ A + b - 2 ( A B ) 1 / 2 sin φ ] , I 5 = ( 1 + Δ I ) [ A + B - 2 ] ( A B ) 1 / 2 cos φ ] ,
tan φ = 4 ( A B ) 1 / 2 sin φ - Δ I ( A + B ) 4 ( A B ) 1 / 2 cos φ ,
tan φ = sin φ - ( Δ I / 2 ) cos φ .
d λ / d i = 8.5 × 10 - 3 nm / mA .
Δ i = 1.46 mA .
Δ I = 0.05.
I 1 = ( 1 - Δ I ) [ A + B + 2 ( A B ) 1 / 2 cos ( φ - 4 α ) ] , I 3 = A + B + 2 ( A B ) 1 / 2 cos φ , I 5 = ( 1 + Δ I ) [ A + B + 2 ( A B ) 1 / 2 cos ( φ + 4 α ) ] ,
2 I 3 - I 1 - I 5 = 4 ( A B ) 1 / 2 [ ( 1 - cos 4 α ) cos φ + Δ I sin 4 α sin φ ] ,

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