Stock – Germanium Windows
Avantier offers high-performance Germanium windows for IR and optical applications. Sizes range from 5mm to 150mm with anti-reflective coatings to meet specific needs. Precision manufacturing ensures exceptional flatness, parallelism, and surface finish for optimal performance in thermal imaging, IR lasers, and harsh environments.
Germanium Windows
Part Number |
CA (mm) |
Diameter (mm) |
Thickness (mm) |
Coating Specification |
Parallelism (arcmin) |
Surface Flatness (P-V) |
Surface Quality |
Price (USD) |
Delivery Time |
AVTZC-0001 |
4.5 |
5.00 +0.0/-0.1 |
1.00 ±0.1 |
Uncoated |
<1 |
λ/10 @ 10.6μm |
60-40 |
$90.00 |
One Week |
AVTZC-0002 |
4.5 |
5.00 +0.0/-0.1 |
1.00 ±0.1 |
Ravg <5.0% @ 3 – 12μm |
<1 |
λ/10 @ 10.6μm |
60-40 |
$135.00 |
One Week |
AVTZC-0003 |
4.5 |
5.00 +0.0/-0.1 |
1.00 ±0.1 |
Ravg <3.0% @ 8 – 12μm |
<1 |
λ/10 @ 10.6μm |
60-40 |
$135.00 |
One Week |
AVTZC-0004 |
9 |
10.00 +0.0/-0.1 |
1.50 ±0.1 |
Uncoated |
<1 |
λ/10 @ 10.6μm |
60-40 |
$110.00 |
One Week |
AVTZC-0005 |
9 |
10.00 +0.0/-0.1 |
1.50 ±0.1 |
Ravg <3.0% @ 3 – 5μm |
<1 |
λ/10 @ 10.6μm |
60-40 |
$150.00 |
One Week |
AVTZC-0006 |
9 |
10.00 +0.0/-0.1 |
1.50 ±0.1 |
Ravg <5.0% @ 3 – 12μm |
<1 |
λ/10 @ 10.6μm |
60-40 |
$150.00 |
One Week |
AVTZC-0007 |
9 |
10.00 +0.0/-0.1 |
1.50 ±0.1 |
Ravg <3.0% @ 8 – 12μm |
<1 |
λ/10 @ 10.6μm |
60-40 |
$150.00 |
One Week |
AVTZC-0008 |
11.25 |
12.50 +0.0/-0.1 |
1.00 ±0.1 |
Uncoated |
<1 |
λ/10 @ 10.6μm |
60-40 |
$120.00 |
One Week |
AVTZC-0009 |
11.25 |
12.50 +0.0/-0.1 |
1.00 ±0.1 |
Ravg <3.0% @ 3 – 5μm |
<1 |
λ/10 @ 10.6μm |
60-40 |
$165.00 |
One Week |
AVTZC-0010 |
11.25 |
12.50 +0.0/-0.1 |
1.00 ±0.1 |
Ravg <5.0% @ 3 – 12μm |
<1 |
λ/10 @ 10.6μm |
60-40 |
$165.00 |
One Week |
AVTZC-0011 |
11.25 |
12.50 +0.0/-0.1 |
1.00 ±0.1 |
Ravg <3.0% @ 8 – 12μm |
<1 |
λ/10 @ 10.6μm |
60-40 |
$165.00 |
One Week |
AVTZC-0012 |
11.25 |
12.50 +0.0/-0.1 |
2.00 ±0.1 |
Uncoated |
<1 |
λ/10 @ 10.6μm |
60-40 |
$125.00 |
One Week |
AVTZC-0013 |
11.25 |
12.50 +0.0/-0.1 |
2.00 ±0.1 |
Ravg <3.0% @ 3 – 5μm |
<1 |
λ/10 @ 10.6μm |
60-40 |
$170.00 |
One Week |
AVTZC-0014 |
11.25 |
12.50 +0.0/-0.1 |
2.00 ±0.1 |
Ravg <5.0% @ 3 – 12μm |
<1 |
λ/10 @ 10.6μm |
60-40 |
$170.00 |
One Week |
AVTZC-0015 |
11.25 |
12.50 +0.0/-0.1 |
2.00 ±0.1 |
Ravg <3.0% @ 8 – 12μm |
<1 |
λ/10 @ 10.6μm |
60-40 |
$170.00 |
One Week |
AVTZC-0016 |
11.25 |
12.50 +0.0/-0.1 |
3.00 ±0.1 |
Uncoated |
<1 |
λ/10 @ 10.6μm |
60-40 |
$125.00 |
One Week |
AVTZC-0017 |
11.25 |
12.50 +0.0/-0.1 |
3.00 ±0.1 |
Ravg <3.0% @ 3 – 5μm |
<1 |
λ/10 @ 10.6μm |
60-40 |
$170.00 |
One Week |
AVTZC-0018 |
11.25 |
12.50 +0.0/-0.1 |
3.00 ±0.1 |
Ravg <5.0% @ 3 – 12μm |
<1 |
λ/10 @ 10.6μm |
60-40 |
$170.00 |
One Week |
AVTZC-0019 |
11.25 |
12.50 +0.0/-0.1 |
3.00 ±0.1 |
Ravg <3.0% @ 8 – 12μm |
<1 |
λ/10 @ 10.6μm |
60-40 |
$170.00 |
One Week |
AVTZC-0020 |
18 |
20.00 +0.0/-0.1 |
2.00 ±0.1 |
Uncoated |
<1 |
λ/10 @ 10.6μm |
60-40 |
$150.00 |
One Week |
AVTZC-0021 |
18 |
20.00 +0.0/-0.1 |
2.00 ±0.1 |
Ravg <3.0% @ 3 – 5μm |
<1 |
λ/10 @ 10.6μm |
60-40 |
$195.00 |
One Week |
AVTZC-0022 |
18 |
20.00 +0.0/-0.1 |
2.00 ±0.1 |
Ravg <5.0% @ 3 – 12μm |
<1 |
λ/10 @ 10.6μm |
60-40 |
$195.00 |
One Week |
AVTZC-0023 |
18 |
20.00 +0.0/-0.1 |
2.00 ±0.1 |
Ravg <3.0% @ 8 – 12μm |
<1 |
λ/10 @ 10.6μm |
60-40 |
$195.00 |
One Week |
AVTZC-0024 |
22.5 |
25.00 +0.0/-0.1 |
1.00 ±0.1 |
Uncoated |
<1 |
λ/10 @ 10.6μm |
60-40 |
$150.00 |
One Week |
AVTZC-0025 |
22.5 |
25.00 +0.0/-0.1 |
1.00 ±0.1 |
Ravg <3.0% @ 3 – 5μm |
<1 |
λ/10 @ 10.6μm |
60-40 |
$240.00 |
One Week |
AVTZC-0026 |
22.5 |
25.00 +0.0/-0.1 |
1.00 ±0.1 |
Ravg <5.0% @ 3 – 12μm |
<1 |
λ/10 @ 10.6μm |
60-40 |
$240.00 |
One Week |
AVTZC-0027 |
22.5 |
25.00 +0.0/-0.1 |
1.00 ±0.1 |
Ravg <3.0% @ 8 – 12μm |
<1 |
λ/10 @ 10.6μm |
60-40 |
$240.00 |
One Week |
AVTZC-0028 |
22.5 |
25.00 +0.0/-0.1 |
2.00 ±0.1 |
Uncoated |
<1 |
λ/10 @ 10.6μm |
60-40 |
$155.00 |
One Week |
AVTZC-0029 |
22.5 |
25.00 +0.0/-0.1 |
2.00 ±0.1 |
Ravg <3.0% @ 3 – 5μm |
<1 |
λ/10 @ 10.6μm |
60-40 |
$245.00 |
One Week |
AVTZC-0030 |
22.5 |
25.00 +0.0/-0.1 |
2.00 ±0.1 |
Ravg <5.0% @ 3 – 12μm |
<1 |
λ/10 @ 10.6μm |
60-40 |
$245.00 |
One Week |
AVTZC-0031 |
22.5 |
25.00 +0.0/-0.1 |
2.00 ±0.1 |
Ravg <3.0% @ 8 – 12μm |
<1 |
λ/10 @ 10.6μm |
60-40 |
$245.00 |
One Week |
AVTZC-0032 |
22.5 |
25.00 +0.0/-0.1 |
3.00 ±0.1 |
Uncoated |
<1 |
λ/10 @ 10.6μm |
60-40 |
$160.00 |
One Week |
AVTZC-0033 |
22.5 |
25.00 +0.0/-0.1 |
3.00 ±0.1 |
Ravg <3.0% @ 3 – 5μm |
<1 |
λ/10 @ 10.6μm |
60-40 |
$250.00 |
One Week |
AVTZC-0034 |
22.5 |
25.00 +0.0/-0.1 |
3.00 ±0.1 |
Ravg <5.0% @ 3 – 12μm |
<1 |
λ/10 @ 10.6μm |
60-40 |
$250.00 |
One Week |
AVTZC-0035 |
22.5 |
25.00 +0.0/-0.1 |
3.00 ±0.1 |
Ravg <3.0% @ 8 – 12μm |
<1 |
λ/10 @ 10.6μm |
60-40 |
$250.00 |
One Week |
AVTZC-0036 |
22.5 |
25.00 +0.0/-0.1 |
5.00 ±0.1 |
Uncoated |
<1 |
λ/10 @ 10.6μm |
60-40 |
$170.00 |
One Week |
AVTZC-0037 |
22.5 |
25.00 +0.0/-0.1 |
5.00 ±0.1 |
Ravg <5.0% @ 3 – 12μm |
<1 |
λ/10 @ 10.6μm |
60-40 |
$260.00 |
One Week |
AVTZC-0038 |
22.5 |
25.00 +0.0/-0.1 |
5.00 ±0.1 |
Ravg <3.0% @ 8 – 12μm |
<1 |
λ/10 @ 10.6μm |
60-40 |
$260.00 |
One Week |
AVTZC-0039 |
22.86 |
25.40 +0.0/-0.1 |
3.00 ±0.1 |
Uncoated |
<1 |
λ/10 @ 10.6μm |
60-40 |
$160.00 |
One Week |
AVTZC-0040 |
22.86 |
25.40 +0.0/-0.1 |
3.00 ±0.1 |
Ravg <3.0% @ 3 – 5μm |
<1 |
λ/10 @ 10.6μm |
60-40 |
$250.00 |
One Week |
AVTZC-0041 |
22.86 |
25.40 +0.0/-0.1 |
3.00 ±0.1 |
Ravg <5.0% @ 3 – 12μm |
<1 |
λ/10 @ 10.6μm |
60-40 |
$250.00 |
One Week |
AVTZC-0042 |
22.86 |
25.40 +0.0/-0.1 |
3.00 ±0.1 |
Ravg <3.0% @ 8 – 12μm |
<1 |
λ/10 @ 10.6μm |
60-40 |
$250.00 |
One Week |
AVTZC-0043 |
27 |
30.00 +0.0/-0.1 |
1.00 ±0.1 |
Uncoated |
<1 |
λ/10 @ 10.6μm |
60-40 |
$190.00 |
One Week |
AVTZC-0044 |
27 |
30.00 +0.0/-0.1 |
1.00 ±0.1 |
Ravg <5.0% @ 3 – 12μm |
<1 |
λ/10 @ 10.6μm |
60-40 |
$285.00 |
One Week |
AVTZC-0045 |
27 |
30.00 +0.0/-0.1 |
1.00 ±0.1 |
Ravg <3.0% @ 8 – 12μm |
<1 |
λ/10 @ 10.6μm |
60-40 |
$285.00 |
One Week |
AVTZC-0046 |
27 |
30.00 +0.0/-0.1 |
3.00 ±0.1 |
Uncoated |
<1 |
λ/10 @ 10.6μm |
60-40 |
$205.00 |
One Week |
AVTZC-0047 |
27 |
30.00 +0.0/-0.1 |
3.00 ±0.1 |
Ravg <3.0% @ 3 – 5μm |
<1 |
λ/10 @ 10.6μm |
60-40 |
$290.00 |
One Week |
AVTZC-0048 |
27 |
30.00 +0.0/-0.1 |
3.00 ±0.1 |
Ravg <5.0% @ 3 – 12μm |
<1 |
λ/10 @ 10.6μm |
60-40 |
$290.00 |
One Week |
AVTZC-0049 |
27 |
30.00 +0.0/-0.1 |
3.00 ±0.1 |
Ravg <3.0% @ 8 – 12μm |
<1 |
λ/10 @ 10.6μm |
60-40 |
$290.00 |
One Week |
AVTZC-0050 |
36 |
40.00 +0.0/-0.1 |
2.00 ±0.1 |
Uncoated |
<1 |
λ/10 @ 10.6μm |
60-40 |
$285.00 |
One Week |
AVTZC-0051 |
36 |
40.00 +0.0/-0.1 |
2.00 ±0.1 |
Ravg <5.0% @ 3 – 12μm |
<1 |
λ/10 @ 10.6μm |
60-40 |
$380.00 |
One Week |
AVTZC-0052 |
36 |
40.00 +0.0/-0.1 |
2.00 ±0.1 |
Ravg <3.0% @ 8 – 12μm |
<1 |
λ/10 @ 10.6μm |
60-40 |
$380.00 |
One Week |
AVTZC-0053 |
36 |
40.00 +0.0/-0.1 |
4.00 ±0.1 |
Uncoated |
<1 |
λ/10 @ 10.6μm |
60-40 |
$305.00 |
One Week |
AVTZC-0054 |
36 |
40.00 +0.0/-0.1 |
4.00 ±0.1 |
Ravg <3.0% @ 3 – 5μm |
<1 |
λ/10 @ 10.6μm |
60-40 |
$400.00 |
One Week |
AVTZC-0055 |
36 |
40.00 +0.0/-0.1 |
4.00 ±0.1 |
Ravg <5.0% @ 3 – 12μm |
<1 |
λ/10 @ 10.6μm |
60-40 |
$400.00 |
One Week |
AVTZC-0056 |
36 |
40.00 +0.0/-0.1 |
4.00 ±0.1 |
Ravg <3.0% @ 8 – 12μm |
<1 |
λ/10 @ 10.6μm |
60-40 |
$400.00 |
One Week |
AVTZC-0057 |
45 |
50.00 +0.0/-0.1 |
1.00 ±0.1 |
Uncoated |
<1 |
λ/10 @ 10.6μm |
60-40 |
$360.00 |
One Week |
AVTZC-0058 |
45 |
50.00 +0.0/-0.1 |
1.00 ±0.1 |
Ravg <3.0% @ 3 – 5μm |
<1 |
λ/10 @ 10.6μm |
60-40 |
$500.00 |
One Week |
AVTZC-0059 |
45 |
50.00 +0.0/-0.1 |
1.00 ±0.1 |
Ravg <5.0% @ 3 – 12μm |
<1 |
λ/10 @ 10.6μm |
60-40 |
$500.00 |
One Week |
AVTZC-0060 |
45 |
50.00 +0.0/-0.1 |
1.00 ±0.1 |
Ravg <3.0% @ 8 – 12μm |
<1 |
λ/10 @ 10.6μm |
60-40 |
$500.00 |
One Week |
AVTZC-0061 |
45 |
50.00 +0.0/-0.1 |
2.00 ±0.1 |
Uncoated |
<1 |
λ/10 @ 10.6μm |
60-40 |
$370.00 |
One Week |
AVTZC-0062 |
45 |
50.00 +0.0/-0.1 |
2.00 ±0.1 |
Ravg <3.0% @ 3 – 5μm |
<1 |
λ/10 @ 10.6μm |
60-40 |
$500.00 |
One Week |
AVTZC-0063 |
45 |
50.00 +0.0/-0.1 |
2.00 ±0.1 |
Ravg <5.0% @ 3 – 12μm |
<1 |
λ/10 @ 10.6μm |
60-40 |
$500.00 |
One Week |
AVTZC-0064 |
45 |
50.00 +0.0/-0.1 |
2.00 ±0.1 |
Ravg <3.0% @ 8 – 12μm |
<1 |
λ/10 @ 10.6μm |
60-40 |
$500.00 |
One Week |
AVTZC-0065 |
45 |
50.00 +0.0/-0.1 |
3.00 ±0.1 |
Uncoated |
<1 |
λ/10 @ 10.6μm |
60-40 |
$375.00 |
One Week |
AVTZC-0066 |
45 |
50.00 +0.0/-0.1 |
3.00 ±0.1 |
Ravg <3.0% @ 3 – 5μm |
<1 |
λ/10 @ 10.6μm |
60-40 |
$510.00 |
One Week |
AVTZC-0067 |
45 |
50.00 +0.0/-0.1 |
3.00 ±0.1 |
Ravg <5.0% @ 3 – 12μm |
<1 |
λ/10 @ 10.6μm |
60-40 |
$510.00 |
One Week |
AVTZC-0068 |
45 |
50.00 +0.0/-0.1 |
3.00 ±0.1 |
Ravg <3.0% @ 8 – 12μm |
<1 |
λ/10 @ 10.6μm |
60-40 |
$510.00 |
One Week |
AVTZC-0069 |
45.72 |
50.80 +0.0/-0.1 |
3.00 ±0.1 |
Uncoated |
<1 |
λ/10 @ 10.6μm |
60-40 |
$375.00 |
One Week |
AVTZC-0070 |
45.72 |
50.80 +0.0/-0.1 |
3.00 ±0.1 |
Ravg <3.0% @ 3 – 5μm |
<1 |
λ/10 @ 10.6μm |
60-40 |
$510.00 |
One Week |
AVTZC-0071 |
45.72 |
50.80 +0.0/-0.1 |
3.00 ±0.1 |
Ravg <5.0% @ 3 – 12μm |
<1 |
λ/10 @ 10.6μm |
60-40 |
$510.00 |
One Week |
AVTZC-0072 |
45.72 |
50.80 +0.0/-0.1 |
3.00 ±0.1 |
Ravg <3.0% @ 8 – 12μm |
<1 |
λ/10 @ 10.6μm |
60-40 |
$510.00 |
One Week |
AVTZC-0073 |
67.5 |
75.00 +0.0/-0.1 |
3.00 ±0.1 |
Uncoated |
<1 |
λ/10 @ 10.6μm |
60-40 |
$675.00 |
One Week |
AVTZC-0074 |
67.5 |
75.00 +0.0/-0.1 |
3.00 ±0.1 |
Ravg <5.0% @ 3 – 12μm |
<1 |
λ/10 @ 10.6μm |
60-40 |
$840.00 |
One Week |
AVTZC-0075 |
67.5 |
75.00 +0.0/-0.1 |
3.00 ±0.1 |
Ravg <3.0% @ 8 – 12μm |
<1 |
λ/10 @ 10.6μm |
60-40 |
$840.00 |
One Week |
AVTZC-0076 |
67.5 |
75.00 +0.0/-0.1 |
5.00 ±0.1 |
Uncoated |
<1 |
λ/10 @ 10.6μm |
60-40 |
$740.00 |
One Week |
AVTZC-0077 |
67.5 |
75.00 +0.0/-0.1 |
5.00 ±0.1 |
Ravg <3.0% @ 3 – 5μm |
<1 |
λ/10 @ 10.6μm |
60-40 |
$910.00 |
One Week |
AVTZC-0078 |
67.5 |
75.00 +0.0/-0.1 |
5.00 ±0.1 |
Ravg <5.0% @ 3 – 12μm |
<1 |
λ/10 @ 10.6μm |
60-40 |
$910.00 |
One Week |
AVTZC-0079 |
67.5 |
75.00 +0.0/-0.1 |
5.00 ±0.1 |
Ravg <3.0% @ 8 – 12μm |
<1 |
λ/10 @ 10.6μm |
60-40 |
$910.00 |
One Week |
AVTZC-0080 |
68.58 |
76.20 +0.0/-0.1 |
5.00 ±0.1 |
Uncoated |
<1 |
λ/10 @ 10.6μm |
60-40 |
$740.00 |
One Week |
AVTZC-0081 |
68.58 |
76.20 +0.0/-0.1 |
5.00 ±0.1 |
Ravg <3.0% @ 3 – 5μm |
<1 |
λ/10 @ 10.6μm |
60-40 |
$910.00 |
One Week |
AVTZC-0082 |
68.58 |
76.20 +0.0/-0.1 |
5.00 ±0.1 |
Ravg <5.0% @ 3 – 12μm |
<1 |
λ/10 @ 10.6μm |
60-40 |
$910.00 |
One Week |
AVTZC-0083 |
68.58 |
76.20 +0.0/-0.1 |
5.00 ±0.1 |
Ravg <3.0% @ 8 – 12μm |
<1 |
λ/10 @ 10.6μm |
60-40 |
$910.00 |
One Week |
AVTZC-0084 |
90 |
100.00 +0.0/-0.1 |
6.00 ±0.1 |
Uncoated |
<1 |
λ/10 @ 10.6μm |
60-40 |
$1,350.00 |
One Week |
AVTZC-0085 |
90 |
100.00 +0.0/-0.1 |
6.00 ±0.1 |
Ravg <3.0% @ 8 – 12μm |
<1 |
λ/10 @ 10.6μm |
60-40 |
$1,620.00 |
One Week |
AVTZC-0086 |
112.5 |
125.00 +0.0/-0.1 |
6.00 ±0.1 |
Uncoated |
<1 |
λ/10 @ 10.6μm |
60-40 |
$1,670.00 |
One Week |
AVTZC-0087 |
135 |
150.00 +0.0/-0.1 |
8.00 ±0.1 |
Uncoated |
<1 |
λ/10 @ 10.6μm |
60-40 |
$3,050.00 |
One Week |
Stock – Germanium Windows Price List PDF
For custom requests, visit Germanium Windows page.
Please contact Avantier if you’d like to schedule a consultation or request for a quote on your next project.
WE CAN HELP YOU!
Contact us NOW for sales & expert advice.