Table 1
First-Order Parameters for the
Optics
Entrance pupil diameter |
|
Cold-shield diameter |
|
System focal length |
|
FPA dimensions |
|
FPA pixel pitch |
|
Cold shield F# | 2.75 |
Table 2
Lens Data Prescription of the Unoptimized Optics
No. | Type | Comment | Radius | Thickness | Glass | Conic |
---|
0 | STANDARD | | - | ∞ | | |
1 | STANDARD | Objective |
|
| SILICON | |
2 | BINARY 2 | | 194.711 | 149.687 | | 0.616428 |
3 | STANDARD | Eyepiece 1 |
| 4.00 | SILICON | |
4 | STANDARD | |
| 17.760 | | |
5 | BINARY 2 | Eyepiece 2 | 37.94 | 4.00 | SILICON |
|
6 | STANDARD | | 159.01 | 0.00 | | |
7 | STANDARD | Eyepiece 3 | 16.214 | 4.00 | SILICON | |
8 | STANDARD | | 13.332 | 9.319 | | |
9 | STANDARD | Seal window | ∞ | 2.50 | GERMANIUM | |
10 | STANDARD | | ∞ | 3.00 | | |
11 | STANDARD | Cold shield | ∞ | 19.775 | | |
12 | STANDAR | Cold filter | ∞ | 0.3 | GERMANIUM | |
13 | STANDARD | | ∞ | 0.00 | | |
14 | STANDARD | FPA | ∞ | - | | |
| | Norm. radius |
|
|
| |
2 | BINARY 2 |
|
| 13.679 |
| |
5 | BINARY 2 | 25 |
| 63.299 |
| |
Table 3
Paraxial Narcissus Values of the Unoptimized Optics
Surface |
yni
|
|
---|
1 | 12.4 | 11.74 |
2 |
| 2.55 |
3 | 0.24 | 0.4 |
4 | 0.08 | 0.16 |
5 | 3.38 | 2.59 |
6 |
| 0.49 |
7 | 2.27 | 5.08 |
8 | 1.58 | 28.59 |
Table 4
Diffraction Efficiency
for the Transmission Path
|
|
|
|
|
|
|
|
---|
| 0.0011 | 0.0024 | 0.0087 | 0.9641 | 0.0133 | 0.0030 | 0.0013 |
| 0.0000 | 0.0000 | 0.0000 | 1.0000 | 0.0000 | 0.0000 | 0.0000 |
| 0.0009 | 0.0020 | 0.0088 | 0.9754 | 0.0062 | 0.0017 | 0.0008 |
Table 5
Diffraction Efficiency
of a First-Order Diffractive Surface on the Second Lens Surface (which becomes First-Surface Mirror for Reflection Path), Silicon, Reflected Path
|
|
|
|
|
|
---|
| 0.0017 | 0.0064 | 0.9746 | 0.0091 | 0.0021 |
| 0.0059 | 0.0201 | 0.9031 | 0.0407 | 0.0083 |
| 0.0098 | 0.0319 | 0.8150 | 0.0875 | 0.0162 |
Table 6
Diffraction Efficiency
of a First-Order Diffractive Surface on the First Lens Surface (which becomes Second-Surface Mirror for Reflection Path), Silicon, Reflected Path
|
|
|
|
|
|
---|
| 0.0032 | 0.0113 | 0.9518 | 0.0185 | 0.0040 |
| 0.0083 | 0.0407 | 0.9031 | 0.0201 | 0.0059 |
| 0.0382 | 0.2836 | 0.5376 | 0.0471 | 0.0162 |
Table 7
Lens Data Prescription of the Narcissus Optimized System
No. | Type | Comment | Radius | Thickness | Glass | Conic |
---|
0 | STANDARD | | - | ∞ | | |
1 | BINARY 2 | Objective |
|
| SILICON |
|
2 | STANDARD | | 197.404 | 148.581 | | |
3 | STANDARD | Eyepiece 1 |
| 4.00 | SILICON | |
4 | STANDARD | |
| 14.665 | | |
5 | BINARY 2 | Eyepiece 2 | 43.553 | 6.00 | SILICON |
|
6 | STANDARD | | 775.154 | 0.4584 | | |
7 | STANDARD | Eyepiece 3 | 16.747 | 6.00 | SILICON | |
8 | STANDARD | | 12.338 | 6.1944 | | |
9 | STANDARD | Seal window | ∞ | 2.50 | GERMANIUM | |
10 | STANDARD | | ∞ | 3.00 | | |
11 | STANDARD | Cold shield | ∞ | 19.775 | | |
12 | STANDAR | Cold filter | ∞ | 0.3 | GERMANIUM | |
13 | STANDARD | | ∞ | 0.00 | | |
14 | STANDARD | FPA | ∞ | - | | |
| | Norm. radius |
|
|
| |
1 | BINARY 2 |
|
| 16.802 | -223.475 | |
5 | BINARY 2 | 25 |
| 63.863 | 48.298 | |
Table 8
Paraxial Narcissus Values for the Narcissus Optimized System
Surface |
yni
|
|
---|
1 | 13.4 | 11.8 |
2 |
| 3.05 |
3 | 0.73 | 3.06 |
4 | 0.81 | 3.66 |
5 | 3.9 | 2.99 |
6 |
| 0.62 |
7 | 2.5 | 8.38 |
8 | 1.49 | 4.26 |