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Spherical plano concave lenses of fused silica are mostly used for UV monochromatic lights. Fused silica has almost same performance of transmittance with BK7 in visual and near IR, but has higher performance than BK7 in UV.
These lenses are useful when parallel beams are converged or lights from point sources are converted to parallel beams, namely at infinite conjugate ratios.
Non-coated and AR coated products are available as well.
 Standard Specifications:
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Optical Material:
Diameter Tolerance:
Design Wavelength:
Design Index:
Paraxial Focal Length:
Centration:
Clear Aperture:
Surface Quality:
Wavefront Distortion:
Bevel:
Coating: |
UV Grade Fused Silica
+0.0, -0.15mm
546.1nm
1.46008±0.00005nm
±2%
3 arc minutes
>85%
60-40 scratch and dig
lambda/4 at 632.8nm
<0.25mm X 45°
available upon request |
Standard UV Fused Silica Plano-Concave Lenses:
Dia(mm) |
f(mm) |
R1(mm) |
te(mm) |
tc(mm) |
Fb(mm) |
Product Number |
12.7 |
-15.0 |
6.90 |
6.2 |
2.0 |
-10.8 |
UQT-PLCAF0201 |
12.7 |
-20.0 |
9.20 |
4.5 |
2.0 |
-16.9 |
UQT-PLCAF0202 |
12.7 |
-25.0 |
11.50 |
3.9 |
2.0 |
-22.3 |
UQT-PLCAF0203 |
12.7 |
-30.0 |
13.80 |
3.6 |
2.0 |
-27.5 |
UQT-PLCAF0204 |
12.7 |
-40.0 |
18.40 |
3.1 |
2.0 |
-37.9 |
UQT-PLCAF0205 |
25.4 |
-35.0 |
16.10 |
8.2 |
2.0 |
-29.4 |
UQT-PLCAF0206 |
25.4 |
-50.0 |
23.00 |
5.8 |
2.0 |
-46.0 |
UQT-PLCAF0207 |
25.4 |
-75.0 |
34.51 |
4.4 |
2.0 |
-72.0 |
UQT-PLCAF0208 |
25.4 |
-100.0 |
46.01 |
3.8 |
2.0 |
-97.4 |
UQT-PLCAF0209 |
25.4 |
-150.0 |
69.01 |
3.2 |
2.0 |
-147.8 |
UQT-PLCAF0210 |
25.4 |
-175.0 |
80.51 |
3.0 |
2.0 |
-172.9 |
UQT-PLCAF0211 |
25.4 |
-200.0 |
92.02 |
2.9 |
2.0 |
-198.0 |
UQT-PLCAF0212 |
25.4 |
-250.0 |
115.02 |
2.7 |
2.0 |
-248.2 |
UQT-PLCAF0213 |
25.4 |
-300.0 |
138.02 |
2.6 |
2.0 |
-298.2 |
UQT-PLCAF0214 |
25.4 |
-500.0 |
230.04 |
2.4 |
2.0 |
-498.4 |
UQT-PLCAF0215 |
25.4 |
-1000.0 |
460.08 |
2.2 |
2.0 |
-998.5 |
UQT-PLCAF0216 |
38.0 |
-50.0 |
23.00 |
13.0 |
3.0 |
-41.1 |
UQT-PLCAF0217 |
38.0 |
-100.0 |
46.01 |
7.1 |
3.0 |
-95.1 |
UQT-PLCAF0218 |
38.0 |
-150.0 |
69.01 |
5.7 |
3.0 |
-146.1 |
UQT-PLCAF0219 |
38.0 |
-200.0 |
92.02 |
5.0 |
3.0 |
-196.6 |
UQT-PLCAF0220 |
38.0 |
-350.0 |
161.03 |
4.1 |
3.0 |
-347.2 |
UQT-PLCAF0221 |
38.0 |
-500.0 |
230.04 |
3.8 |
3.0 |
-497.4 |
UQT-PLCAF0222 |
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| Please Contact ultiQuest for other dimensions in prototype and production quantities. |
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| NOTES! |
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The edge thicknesses fare theoretical values not including chamfer. |
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Be sure to wear laser safety goggles when checking optical path and adjusting optical axis. |
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