Absorption cross-section values for polarized light have been measured for pink-ruby specimens by a multiple thickness correlation method. The values (in 10−20 cm2) are: σB‖ = 38.1, σG⊥ = 22.8, σB⊥ = 22.5, σG‖ = 7.23,
,
,
, and
, where B and G stand for the blue and green broad bands, R1, R2, the R-lines.
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A compilation of optical-absorption cross sections for polarized light for the broad bands and for the R-lines of pink ruby. Data of others is also presented for comparison.
Reference 8.
T. H. Maiman, Phys. Rev. 123, 1145 and 1151 (1961).
Y. C. Kiang, J. F. Stephany, and F. C. Unterleitner, IEEE J. QE-1, 295 (1965).
P. A. Miles and I. Goldstein, IEEE Trans. ED-10, 314 (1963).
Calculated from the data of Ref. 8.
Tables (5)
Table I
The characteristics of Linde Company pink-ruby samples and the types of optical tests given to each set of samples.
Sample
X(mm)
Chromium conc. (cm−3)
Tests
B-9-6
0.805
1.83 × 1019
Polarized light
B-9-7′
2.57
1.85 × 1019
B-9-7″
16.70
1.89 × 1019
R-1(90°)
77.32
1.58 × 1019
B-9-12
0.426
1.60 × 1019
Axial spectrum
B-9-11
0.957
1.51 × 1019
B-9-13
3.26
1.71 × 1019
R-2(0°)
75.87
1.82 × 1019
B-1
0.398
1.15 × 1019
Unpolarized, 65° off c-axis
B-2
1.84
1.15 × 1019
Table II
A compilation of the absorption characteristics for polarized light for the broad bands of pink-ruby samples.
Samples
Type of instru.
Type of spectra
Av. Cr Conc. (1019 cm−3)
E⊥cα
E‖cα(cm−1)
λ(mμ)
(cm−1)
σ(cm−20 cm2)
λ(mμ)
(cm−1)
α(cm−20 cm2)
Bl.
Grn.
Bl.
Grn.
Bl.
Grn.
Bl.
Grn.
Bl.
Grn.
Bl.
Grn.
12,11,13
B.B.
Axial
1.60
412
558
3.48
3.64
21.8
22.8
⋯
⋯
⋯
⋯
⋯
⋯
6,7′
B.B.
Pol.
1.84
413
557
3.95
4.04
21.5
22.0
398
543
6.33
1.38
34.4
7.50
6,7′,7″
B.B.
Pol.
1.86
412
556
4.60
4.65
24.7
25.0
399
542
7.70
1.38
41.4
7.42
7′,7″
PE112
Pol.
1.88
412
559
4.11
4.05
21.9
21.5
396
396
7.26
1.27
38.6
6.77
Av. value
412
558
⋯
⋯
22.5
22.8
398
543
⋯
⋯
38.1
7.23
Table III
Band shapes and band peak ratios for the blue and green broad optical absorption bands of pink ruby from this work, in comparison with previous data.
A compilation of optical-absorption cross sections for polarized light for the broad bands and for the R-lines of pink ruby. Data of others is also presented for comparison.
Reference 8.
T. H. Maiman, Phys. Rev. 123, 1145 and 1151 (1961).
Y. C. Kiang, J. F. Stephany, and F. C. Unterleitner, IEEE J. QE-1, 295 (1965).
P. A. Miles and I. Goldstein, IEEE Trans. ED-10, 314 (1963).
Calculated from the data of Ref. 8.