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Calculated Operating Characteristics of a Wedge Type Beam Splitter a
θ1
532 nm
355 nm
Ray 1 (%)
Ray 2 (%)
Total
Ray 1 (%)
Ray 2 (%)
Total
65.0
1.42
98.3
99.72
1.37
98.30
99.67
67.5
2.61
97.23
99.84
2.56
97.25
99.81
70.0
4.42
95.51
99.93
4.35
95.56
99.90
71.0
5.36
94.60
99.96
5.29
94.64
99.93
72.0
6.46
93.52
99.98
6.39
93.57
99.96
73.0
7.73
92.26
99.99
7.66
92.32
99.98
74.0
9.19
90.81
99.99+
9.12
90.87
99.99
75.0
10.88
89.12
99.99+
10.80
89.19
99.99+
76.0
12.82
87.18
99.99+
12.74
87.26
99.99+
77.0
15.04
84.95
99.99
14.97
85.03
99.99+
25.0
2.59
95.86
98.44
2.73
95.62
98.35
25.5
2.55
95.95
98.49
2.69
95.72
98.41
27.5
2.39
96.32
98.71
2.53
96.10
98.63
30.0
2.18
96.80
98.98
2.31
96.61
98.92
32.5
1.95
97.31
99.26
2.07
97.14
99.21
35.0
1.71
97.81
99.52
1.82
97.67
99.49
37.5
1.46
98.30
99.76
1.56
98.19
99.75
40.0
1.20
98.74
99.94
1.29
98.64
99.93
42.5
0.94
99.05
99.99
1.01
98.99
99.99+
45.0
0.69
99.18
99.87
0.75
99.11
99.86
47.5
0.45
98.93
99.38
0.49
98.86
99.35
50.0
0.24
98.03
98.27
0.27
97.91
98.18
Calculated energy division vs angle of incidence (θ1) for a wedge (7°) beam splitter made of fused silica operating at 532 and 355 nm. Columns headed Total give the theoretical efficiency of the splitter.
Table II
Calculated Operating Characteristics of a Constant Deviation Prism Type Beam Splitter a
θ1
532 nm
355 nm
Ray 1 (%)
Ray 2 (%)
Total
Ray 1 (%)
Ray 2 (%)
Total
54.70
45.59
54.13
99.72
0
99.5
99.5
54.80
50.23
49.51
99.74
0
99.5
99.5
54.90
54.03
45.73
99.76
0
99.5
99.5
55.00
57.22
42.56
99.78
0
99.5
99.5
55.50
68.26
31.56
99.82
0
99.5
99.5
56.00
75.05
24.80
99.85
0
99.5
99.5
56.20
77.12
22.74
99.86
0
99.5
99.5
56.40
78.93
20.93
99.86
8.82
90.67
99.49
56.60
80.53
19.33
99.86
38.18
61.46
99.64
56.80
81.95
17.91
99.86
49.09
50.60
99.69
57.00
83.22
16.64
99.86
56.22
43.50
99.72
57.50
85.90
13.96
99.86
67.05
32.71
99.76
58.00
88.01
11.83
99.84
74.25
25.52
99.77
58.50
89.71
10.11
99.82
78.99
20.77
99.76
59.00
91.09
8.70
99.79
82.50
17.25
99.75
60.00
93.18
6.52
99.70
87.32
12.36
99.68
61.00
94.62
4.95
99.57
90.41
9.16
99.57
Calculated energy division vs angle of incidence (θ1) for a constant-deviation prism (<β = 77°) beam splitter made of fused silica operating at 532 and 355 nm. Columns headed Total give the theoretical efficiency of the device.
Table III
Effects of <β Variation on Prism Beam Splitter Performance a
β (deg)
532 nm
355 nm
Range 20% pk (deg)
Peak efficiency
Range 20% pk (dag)
Peak efficiency
75
50.40–52.36
0.999 (Γ = 19)
5.21–54.22
0 999 (Γ = 11.5)
76
52.38–54.40
0.999 (Γ = 10)
54.28–56.36
0.998 (Γ = 6.1)
77
54.42–56.52
0.999 (Γ = 4.9)
56.44–58.63
0.998 (Γ = 3)
78
56.56–58.77
0.998 (Γ = 2)
58.68–61.04
0.997 (Γ = 1.3)
79
58.78–61.17
0.997 (Γ = 0.6)
61.08–63.66
0.995 (Γ = 0.47)
80
61.13–63.74
0.996 (Γ = 0.15)
63.63–66.58
0.990 (Γ = 0.1)
Calculated performance dependence of constant-deviation prism beam splitter on <β. Range is the angle of incidence span between a Γ = 0.25 split and a Γ = 40 split. Peak efficiency column lists the theoretical peak efficiency of the splitter and the value of Γ at which the peak occurs.
Tables (3)
Table I
Calculated Operating Characteristics of a Wedge Type Beam Splitter a
θ1
532 nm
355 nm
Ray 1 (%)
Ray 2 (%)
Total
Ray 1 (%)
Ray 2 (%)
Total
65.0
1.42
98.3
99.72
1.37
98.30
99.67
67.5
2.61
97.23
99.84
2.56
97.25
99.81
70.0
4.42
95.51
99.93
4.35
95.56
99.90
71.0
5.36
94.60
99.96
5.29
94.64
99.93
72.0
6.46
93.52
99.98
6.39
93.57
99.96
73.0
7.73
92.26
99.99
7.66
92.32
99.98
74.0
9.19
90.81
99.99+
9.12
90.87
99.99
75.0
10.88
89.12
99.99+
10.80
89.19
99.99+
76.0
12.82
87.18
99.99+
12.74
87.26
99.99+
77.0
15.04
84.95
99.99
14.97
85.03
99.99+
25.0
2.59
95.86
98.44
2.73
95.62
98.35
25.5
2.55
95.95
98.49
2.69
95.72
98.41
27.5
2.39
96.32
98.71
2.53
96.10
98.63
30.0
2.18
96.80
98.98
2.31
96.61
98.92
32.5
1.95
97.31
99.26
2.07
97.14
99.21
35.0
1.71
97.81
99.52
1.82
97.67
99.49
37.5
1.46
98.30
99.76
1.56
98.19
99.75
40.0
1.20
98.74
99.94
1.29
98.64
99.93
42.5
0.94
99.05
99.99
1.01
98.99
99.99+
45.0
0.69
99.18
99.87
0.75
99.11
99.86
47.5
0.45
98.93
99.38
0.49
98.86
99.35
50.0
0.24
98.03
98.27
0.27
97.91
98.18
Calculated energy division vs angle of incidence (θ1) for a wedge (7°) beam splitter made of fused silica operating at 532 and 355 nm. Columns headed Total give the theoretical efficiency of the splitter.
Table II
Calculated Operating Characteristics of a Constant Deviation Prism Type Beam Splitter a
θ1
532 nm
355 nm
Ray 1 (%)
Ray 2 (%)
Total
Ray 1 (%)
Ray 2 (%)
Total
54.70
45.59
54.13
99.72
0
99.5
99.5
54.80
50.23
49.51
99.74
0
99.5
99.5
54.90
54.03
45.73
99.76
0
99.5
99.5
55.00
57.22
42.56
99.78
0
99.5
99.5
55.50
68.26
31.56
99.82
0
99.5
99.5
56.00
75.05
24.80
99.85
0
99.5
99.5
56.20
77.12
22.74
99.86
0
99.5
99.5
56.40
78.93
20.93
99.86
8.82
90.67
99.49
56.60
80.53
19.33
99.86
38.18
61.46
99.64
56.80
81.95
17.91
99.86
49.09
50.60
99.69
57.00
83.22
16.64
99.86
56.22
43.50
99.72
57.50
85.90
13.96
99.86
67.05
32.71
99.76
58.00
88.01
11.83
99.84
74.25
25.52
99.77
58.50
89.71
10.11
99.82
78.99
20.77
99.76
59.00
91.09
8.70
99.79
82.50
17.25
99.75
60.00
93.18
6.52
99.70
87.32
12.36
99.68
61.00
94.62
4.95
99.57
90.41
9.16
99.57
Calculated energy division vs angle of incidence (θ1) for a constant-deviation prism (<β = 77°) beam splitter made of fused silica operating at 532 and 355 nm. Columns headed Total give the theoretical efficiency of the device.
Table III
Effects of <β Variation on Prism Beam Splitter Performance a
β (deg)
532 nm
355 nm
Range 20% pk (deg)
Peak efficiency
Range 20% pk (dag)
Peak efficiency
75
50.40–52.36
0.999 (Γ = 19)
5.21–54.22
0 999 (Γ = 11.5)
76
52.38–54.40
0.999 (Γ = 10)
54.28–56.36
0.998 (Γ = 6.1)
77
54.42–56.52
0.999 (Γ = 4.9)
56.44–58.63
0.998 (Γ = 3)
78
56.56–58.77
0.998 (Γ = 2)
58.68–61.04
0.997 (Γ = 1.3)
79
58.78–61.17
0.997 (Γ = 0.6)
61.08–63.66
0.995 (Γ = 0.47)
80
61.13–63.74
0.996 (Γ = 0.15)
63.63–66.58
0.990 (Γ = 0.1)
Calculated performance dependence of constant-deviation prism beam splitter on <β. Range is the angle of incidence span between a Γ = 0.25 split and a Γ = 40 split. Peak efficiency column lists the theoretical peak efficiency of the splitter and the value of Γ at which the peak occurs.