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OPTICS POLISHING / MACHINING CAPABILITIES
Our flexible production line enables us to manufacture a wide range of optics that cater to the diverse needs of our varied customers. This includes Lenses(Spherical,Cylindrical), Prisms, Flats, Windows, Wedges, Filters, Mirrors, Beam Splitters, Baffles with Absorptive Coatings, Polarizers etc. One of our specialities is design and development of multi-layer Coatings to suit customer needs.
Listed below are some of our capabilities. We are always open to new challenges and special requirements.
| GLASS |
OTHER MATERIALS |
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| All Types Of Optical Glasses | Sapphire | Germanium | |
| Colored Filter Glasses | Silicon | Zinc Selenide | |
| Fused & Crystalline Quartz | Zinc Sulphide | ALON | |
| Zerodur® (and other glass ceramics) | Silicon Carbide | STAVAX® | |
| IG6 | GASIR | ||
| CaF2 | |||
SPHERICAL LENS
PARAMETERS |
TOLERANCE LIMITS |
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Radius of Curvature error (µm) - 0.1% Standard |
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Radius Range |
Premium (µm) |
Standard (µm) |
2-20 mm |
2.0 |
5.0 |
20-50 mm |
3.0 |
5.0 |
50-100 mm |
5.0 |
15.0 |
100-500 mm |
20 |
75 |
500-1000 mm |
50 |
150 |
1000-5000 mm |
- |
2000 |
Wedge & Tilt -single indicator reading (µm) |
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Lens Diameter |
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Dia < 10 mm |
1.5 |
2.5 |
Dia 10-40 mm |
0.5 |
2.0 |
Dia > 40 mm |
0.5 |
1.5 |
Decenter -2 indicator reading (µm) |
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Dia < 10 mm |
3.0 |
5.0 |
Dia 10-40 mm |
1.0 |
4.0 |
Dia > 40 mm |
0.5 |
2.0 |
Center Thickness Tolerance (µm) |
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± 3.0 |
± 10.0 |
Cosmetics |
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DIN : better than 0.063 |
DIN : better than 0.16 |
CYLINDRICAL LENS
Types
(a) Plano Convex
(b) Plano Concave
(c) Bi-Convex
(d) Bi-Concave
(e) Meniscus
SIZES |
MAXIMUM 100MM (CIRCULAR OR SQUARE) |
TOLERANCE |
"g5" |
MATERIAL |
OPTICAL GLASS |
RADIUS |
5 TO 500 MM |
CT TOLERANCE |
± 0.05 MM |
FORM ACCURACY 3/ |
3(1) |
COSMETICS |
40-20 MIL (0.10 ISO) |
TWIST |
3' |
WEDGE |
1' |
EDGE FINISH |
"GROUND" OR "GROUND & BLACK PAINTED" |
COATING |
MULTILAYER COATING TO SPECIFICATION |
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