Plano-Concave Lenses have a negative focal length and is typically used to cause a collimated beam to diverge as in a Galilean type beam expander or Telescope. Because the spherical aberration of the Plano-Concave is negative, it can be used to balance the aberration of other lenses.
Specifications:
| Material: | Grade A optical glass or Fused Silica |
| Dimension Tolerance: | +0.0, -0.1mm |
| Center Thickness Tolerance: | ±0.1mm |
| Paraxial Focal Length: | ±2% |
| Surface quality: | 60/40 |
| Clear Aperture: | >85% |
| Surface Figure: | λ/4 @633nm |
| Centration: |
3 arc minutes |
| Bevel: | <0.25mm×45° |
| Coating: |
Upon requirement |
Typical Sizes
|
Item No. |
Φ(mm) |
f(mm) |
R(mm) |
Tc(mm) |
Te(mm) |
Fb(mm) |
|
Material |
N-BK7 |
|||||
|
PLCV001 |
6.0 |
-12.0 |
6.22 |
2.0 |
2.77 |
-13.31 |
|
PLCV002 |
6.0 |
-24.0 |
12.44 |
2.0 |
2.37 |
-25.31 |
|
PLCV101 |
12.7 |
-15.0 |
7.79 |
2.0 |
5.27 |
-16.35 |
|
PLCV102 |
12.7 |
-20.0 |
10.37 |
2.0 |
4.17 |
-21.32 |
|
PLCV103 |
12.7 |
-25.0 |
12.97 |
2.0 |
3.70 |
-26.33 |
|
PLCV104 |
12.7 |
-30.0 |
15.56 |
2.0 |
3.40 |
-31.31 |
|
PLCV105 |
12.7 |
-40.0 |
20.75 |
2.0 |
3.00 |
-41.32 |
|
PLCV106 |
12.7 |
-50.0 |
25.94 |
2.0 |
2.79 |
-51.33 |
|
PLCV107 |
12.7 |
-75.0 |
38.90 |
2.0 |
2.52 |
-76.31 |
|
PLCV108 |
12.7 |
-100.0 |
51.88 |
2.0 |
2.39 |
-101.33 |
|
PLCV201 |
25.4 |
-35.0 |
18.15 |
2.0 |
7.18 |
-36.32 |
|
PLCV202 |
25.4 |
-50.0 |
25.94 |
2.0 |
5.32 |
-51.33 |
|
PLCV203 |
25.4 |
-70.0 |
36.31 |
2.0 |
4.29 |
-71.32 |
|
PLCV204 |
25.4 |
-75.0 |
38.90 |
2.0 |
4.13 |
-76.31 |
|
PLCV205 |
25.4 |
-100.0 |
51.88 |
2.0 |
3.58 |
-101.33 |
|
PLCV206 |
25.4 |
-125.0 |
64.96 |
2.0 |
3.26 |
-126.36 |
|
PLCV207 |
25.4 |
-150.0 |
77.80 |
2.0 |
3.04 |
-151.30 |
|
PLCV208 |
25.4 |
-175.0 |
90.78 |
2.0 |
2.89 |
-176.32 |
|
PLCV209 |
25.4 |
-200.0 |
103.75 |
2.0 |
2.78 |
-201.33 |
|
PLCV210 |
25.4 |
-250.0 |
129.72 |
2.0 |
2.62 |
-251.39 |
|
PLCV211 |
25.4 |
-300.0 |
155.60 |
2.0 |
2.52 |
-301.29 |
|
PLCV212 |
25.4 |
-500.0 |
259.40 |
2.0 |
2.31 |
-501.39 |
|
PLCV213 |
25.4 |
-1000.0 |
518.70 |
2.0 |
2.16 |
-1001.28 |
|
PLCV301 |
30.0 |
-80.0 |
41.50 |
2.0 |
4.81 |
-81.32 |
|
PLCV302 |
30.0 |
-100.0 |
51.88 |
2.0 |
4.22 |
-101.33 |
|
PLCV303 |
30.0 |
-200.0 |
103.75 |
2.0 |
3.09 |
-201.33 |
|
PLCV304 |
38.0 |
-50.0 |
25.94 |
2.0 |
10.28 |
-51.33 |
|
PLCV305 |
38.0 |
-100.0 |
51.88 |
2.0 |
5.60 |
-101.33 |
|
PLCV306 |
38.0 |
-150.0 |
77.80 |
2.0 |
4.36 |
-151.30 |
|
PLCV307 |
38.0 |
-200.0 |
103.75 |
2.0 |
3.76 |
-201.33 |
|
PLCV308 |
38.0 |
-350.0 |
181.55 |
2.0 |
3.00 |
-351.31 |
|
PLCV309 |
38.0 |
-500.0 |
259.40 |
2.0 |
2.70 |
-501.39 |
|
PLCV310 |
38.0 |
-700.0 |
363.10 |
2.0 |
2.50 |
-701.31 |
|
PLCV401 |
40.0 |
-50.0 |
25.94 |
2.0 |
11.42 |
-51.33 |
|
PLCV501 |
50.0 |
-75.0 |
38.90 |
2.0 |
12.10 |
-76.97 |
|
PLCV502 |
50.0 |
-100.0 |
51.88 |
3.0 |
9.42 |
-101.99 |
|
PLCV503 |
50.0 |
-150.0 |
77.80 |
3.0 |
7.13 |
-151.96 |
|
PLCV504 |
50.0 |
-200.0 |
103.75 |
3.0 |
6.06 |
-201.99 |
|
PLCV505 |
50.0 |
-250.0 |
129.72 |
3.0 |
5.43 |
-252.05 |
|
PLCV506 |
50.0 |
-400.0 |
207.00 |
3.0 |
4.52 |
-401.03 |
|
PLCV507 |
50.0 |
-500.0 |
259.40 |
3.0 |
4.21 |
-502.05 |
|
PLCV508 |
50.0 |
-600.0 |
311.20 |
3.0 |
4.01 |
-601.91 |
|
PLCV509 |
50.0 |
-800.0 |
415.00 |
3.0 |
3.75 |
-802.02 |
|
Material |
Fused Silica |
|||||
|
PLCV-FS01 |
12.7 |
-15.0 |
6.92 |
2.0 |
6.17 |
-16.41 |
|
PLCV-FS02 |
12.7 |
-20.0 |
9.20 |
2.0 |
4.54 |
-21.38 |
|
PLCV-FS03 |
12.7 |
-25.0 |
11.51 |
2.0 |
3.91 |
-26.38 |
|
PLCV-FS04 |
12.7 |
-30.0 |
13.80 |
2.0 |
3.55 |
-31.37 |
|
PLCV-FS05 |
12.7 |
-40.0 |
18.41 |
2.0 |
3.13 |
-41.38 |
|
PLCV-FS06 |
25.4 |
-35.0 |
16.11 |
2.0 |
8.20 |
-36.36 |
|
PLCV-FS07 |
25.4 |
-50.0 |
23.01 |
2.0 |
5.82 |
-51.38 |
|
PLCV-FS08 |
25.4 |
-75.0 |
34.51 |
2.0 |
4.42 |
-76.38 |
|
PLCV-FS09 |
25.4 |
-100.0 |
46.03 |
2.0 |
3.79 |
-101.42 |
|
PLCV-FS10 |
25.4 |
-150.0 |
69.02 |
2.0 |
3.18 |
-151.39 |
|
PLCV-FS11 |
25.4 |
-175.0 |
80.54 |
2.0 |
3.01 |
-176.43 |
|
PLCV-FS12 |
25.4 |
-200.0 |
92.04 |
2.0 |
2.88 |
-201.42 |
|
PLCV-FS13 |
25.4 |
-250.0 |
115.08 |
2.0 |
2.70 |
-251.50 |
|
PLCV-FS14 |
25.4 |
-300.0 |
138.04 |
2.0 |
2.59 |
-301.41 |
|
PLCV-FS15 |
25.4 |
-500.0 |
230.10 |
2.0 |
2.35 |
-501.50 |
|
PLCV-FS16 |
25.4 |
-1000.0 |
460.10 |
2.0 |
2.18 |
-1001.42 |
|
PLCV-FS17 |
38.0 |
-50.0 |
23.01 |
3.0 |
13.03 |
-52.07 |
|
PLCV-FS18 |
38.0 |
-100.0 |
46.03 |
3.0 |
7.10 |
-102.10 |
|
PLCV-FS19 |
38.0 |
-150.0 |
69.02 |
3.0 |
5.67 |
-152.07 |
|
PLCV-FS20 |
38.0 |
-200.0 |
92.04 |
3.0 |
4.98 |
-202.11 |
|
PLCV-FS21 |
38.0 |
-350.0 |
161.06 |
3.0 |
4.13 |
-352.13 |
|
PLCV-FS22 |
38.0 |
-500.0 |
230.10 |
3.0 |
3.79 |
-502.19 |