Fused Silica Bi-Concave Lenses
These lenses are similar to plano-concave lenses and are best used with absolute conjugate ratios between 1/5 and 5.
| Material: | Fused Silica |
| Focal Length: | +/- 2 % |
| Design Wavelength: | 546,1 nm |
| Diameter Tolerance: | +0/- 0.2 mm |
| Centering: | < 5 min. of arc |
| Wavefront Distortion: | λ/10 |
| Clear Aperture: | 90 % of diameter |
| Surface Quality: | S/D 10-5 |
| Antireflection Coating: | on request |
| Lens mounted in cell: | on request |
Other dimensions and focal lengths on request: list of radii
| Part-No. | Diameter | Focal Length | Price € |
|---|---|---|---|
| LBV0.5"Q/-25 | 0.5" | -25 mm | 71 ,-- |
| LBV0.5"Q/-30 | 0.5" | -30 mm | 70 ,-- |
| LBV0.5"Q/-50 | 0.5" | -50 mm | 70 ,-- |
| LBV0.5"Q/-75 | 0.5" | -75 mm | 70 ,-- |
| LBV0.5"Q/-100 | 0.5" | -100 mm | 70 ,-- |
| LBV1"Q/-25 | 1" | -25 mm | 72 ,-- |
| LBV1"Q/-30 | 1" | -30 mm | 72 ,-- |
| LBV1"Q/-50 | 1" | -50 mm | 66 ,-- |
| LBV1"Q/-75 | 1" | -75 mm | 66 ,-- |
| LBV1"Q/-100 | 1" | -100 mm | 66 ,-- |
| LBV1"Q/-150 | 1" | -150 mm | 66 ,-- |
| LBV1"Q/-200 | 1" | -200 mm | 66 ,-- |