MgF2 Coated Double-Concave (DCV) Lenses
Original price was: $32.00.$22.40Current price is: $22.40.
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TECHSPEC® MgF2 Coated Double-Concave (DCV) Lenses are designed to have two inward curved surfaces and a negative focal length similar to Plano-Concave (PCV) lenses. These lenses can be used for balancing aberrations created by other lenses within a system due to their negative spherical aberration. Double-Concave (DCV) lenses are commonly used in a variety of applications including image reduction, beam expansion and telescopes. TECHSPEC® MgF2 Coated Double-Concave (DCV) Lenses are ideal for broadband applications. These lenses are also available Uncoated, VIS-EXT, VIS 0°, VIS-NIR, NIR I, or with NIR II AR coating options.
- AR Coated to Provide <1.75% Reflectance per Surface for 400 – 700nm
- Designed for 0° Angle of Incidence
- Various Coating Options: Uncoated, VIS-EXT, VIS 0°, VIS-NIR, NIR I, and NIR II
| Coating | MgF2 (400-700nm) |
|---|---|
| Wavelength Range (nm) | 400 – 700 |
| Bevel | Protective bevel as needed |
| Coating Specification | Ravg ≤1.75% @ 400 – 700nm |
| Focal Length Specification Wavelength (nm) | 587.6 |
| Focal Length Tolerance (%) | ±1 |
| Surface Quality | 40-20 |
| Damage Threshold, By Design | 10 J/cm2 @ 532nm, 10ns |
| Power (P-V) @ 632.8nm | 1.5λ |
| Irregularity (P-V) @ 632.8nm | λ/4 |
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