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Meniscus Lenses
Specifications: | 1. | Material: | CVD-ZnSe, GaAs | | 2. | Effective focal length (EFL) tolerance, %: | +/- 2 | | 3. | Diameter tolerance, mm: | +0.0 / -0.1 | | 4. | Thickness tolerance, mm: | +/- 0.25 | | 5. | Edge thickness variation, mm: | <= 0.05 | | 6. | Clear aperture: | 90% of diameter | | 7. | Surface quality, scr/dig: | 40/20 | | 8. | Surface figure (power-irregularity)
@ 633 nm: |
varies dependent upon radius | | 9. | AR Coating reflectivity per surface
@ 10.6 µm, %: |
< 0.5 |
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BBAR coatings are also available for NIR-MIR.
Standard sizes:
| Diameter |
EFL |
| inches |
mm |
inches |
mm |
| 0.50 |
12.7
|
1.00 |
25.4
|
| 0.75 |
19.1
|
1.50
|
38.1
|
1.00
|
25.4
|
2.50
|
63.5
|
1.00
|
25.4
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3.75
|
95.3
|
1.00
|
25.4
|
5.00
|
127.0
|
1.00
|
25.4
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10.00
|
254.0
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1.10
|
27.9
|
2.50 |
63.5
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1.10
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27.9
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3.75
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93.5
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1.10
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27.9
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5.00
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127.0
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1.10
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27.9
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7.50
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190.5
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1.50
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38.1
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2.50
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63.5 |
1.50
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38.1
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3.50
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88.9
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1.50
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38.1 |
5.00
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127.0
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1.50
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38.1
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7.50
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190.5
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| 2.00 |
50.8
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5.00
|
127.0
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2.50
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63.5
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5.00
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127.0
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2.50
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63.5
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10.00
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254.0
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3.00
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76.2
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5.00
|
127.0 |
3.00
|
76.2
|
10.00
|
254.0 |
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Please fill in our request form for price quotation and delivery. |
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