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Welcome to our NaCl windows catalog. Custom sizes and specifications of NaCl windows, drilled NaCl discs, NaCl wedges are available.
Contact us for quotation.
We have long experience of supplying the windows of standard (catalogue) sizes for the commonly used spectroscopic instruments.
- Excellent Transmission from 250nm – 16µm
- Low Cost
- Ideal for FTIR Spectroscopy
- Drilled windows available
- Packing: All NaCl optics carefully packaged into plastic boxes with silicagel and sealed with special moisture protective film.
| Cat# |
Dia, in |
Dia,mm |
TH, in |
TH, mm |
| NC-W-12.7-2 |
0.5 |
12.7 |
0.079 |
2.0 |
| NC-W-12.7-3 |
0.5 |
12.7 |
0.079 |
3.0 |
| NC-W-25.4-2 |
1 |
25.4 |
0.079 |
2.0 |
| NC-W-25.4-3 |
1 |
25.4 |
0.118 |
3.0 |
| NC-W-25.4-4 |
1 |
25.4 |
0.157 |
4.0 |
| NC-W-25.4-5 |
1 |
25.4 |
0.197 |
5.0 |
| NC-W-25.4-6 |
1 |
25.4 |
0.236 |
6.0 |
| NC-W-30-4 |
1.18 |
30 |
0.157 |
4 |
| NaCl-W-32x3-Drilled* |
1.26 |
32 |
0.118 |
3 |
| NC-W-38.1-3 |
1.5 |
38.1 |
0.118 |
3.0 |
| NC-W-38.1-4 |
1.5 |
38.1 |
0.157 |
4.0 |
| NC-W-38.1-5 |
1.5 |
38.1 |
0.197 |
5.0 |
| NC-W-38.1-6 |
1.5 |
38.1 |
0.236 |
6.0 |
| NC-W-38.5x19.5x4 |
1.515x0.768 |
38.5x19.5 |
0.157 |
4.0 |
| NC-W-45x20x6 |
1.772x0.787 |
45x20 |
0.236 |
6 |
| NC-W-40-10 |
1.575 |
40 |
0.394 |
10.0 |
| NC-W-50.8-1 |
2 |
50.8 |
0.039 |
1.0 |
| NC-W-50.8-4 |
2 |
50.8 |
0.157 |
4.0 |
| NC-W-50.8-5 |
2 |
50.8 |
0.197 |
5.0 |
| NC-W-50-6 |
2 |
50.8 |
0.236 |
6.0 |
| NC-W-63.5-6 |
2.5 |
63.5 |
0.236 |
6.0 |
| NC-W-63.5-8 |
2.5 |
63.5 |
0.315 |
8.0 |
| NC-W-76.2-8 |
3 |
76.2 |
0.315 |
8.0 |
| NC-W-76.2-12 |
3 |
76.2 |
0.472 |
12.0 |
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Custom NaCl windows up to 110mm diameter are available upon request.
* - minimal order for drilled windows - 10pcs
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| NaCl windows: Standard Specifications |
| Material |
NaCl optical grade |
| Dimensions |
± 0.00/-0.10mm |
| Thickness |
± 0.10mm |
| Surfaces |
S/D: 80/50 (up to 40/20 on small diameters) |
| Edges |
Fine Ground |
| Flatness |
By request (up to 0.5 fringe on half inch diameter) |
| Parallelism |
≤ 3 Arc mins |
Sodium Chloride NaCl, common rock salt, is one of the most useful materials for general purpose spectroscopic windows and applications where sensitivity to moisture is unimportant.
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