Achromatic Lenses NOA61
Description
Achromatic lenses are lenses consisting of two or more elements, which are usually made of crown and flint glass with differing indices of refraction. One element is positive, the other is negative. Distinct wavelengths can be corrected for chromatic aberration.
Achromatic lenses are nearly free from aspherical aberration and coma. Comparing with singlet lenses, achromatic lenses have far superior optical performance.
Bond with glue NOA61 (produced by Norland). The glue can withstand temperatures from -150℃ to 125℃. Refractive Index of Cured Polymer is 1.56, and transparence from 0.34μm to 2.0μm.
Achromatic Lenses NOA61
Specifications |
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|---|---|
| Mounting: | Unmounted |
| Optimal Wavelength Range: | 430-680nm |
| Diameter: | 6 mm |
| Focal Length: | 10 mm |
| Achromat Type: | Doublet, Triplet |
Applications
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Frequently Asked Questions
Achromatic lenses are made of two or more elements, usually made of crown and flint glass with differing indices of refraction.
Achromatic lenses correct for chromatic aberration and are nearly free from aspherical aberration and coma. They have far superior optical performance compared to singlet lenses.
NOA61 is a glue produced by Norland that is used to bond the elements of achromatic lenses. It can withstand temperatures from -150℃ to 125℃ and has a refractive index of 1.56.
Achromatic lenses are commonly used in laser optics, metrology, OEM, and spectroscopy.
CeNing Optics' achromatic lenses have a diameter tolerance of +/-0.1mm, a design wavelength of 546.1nm, a focal tolerance of +/-2%, a surface quality of 60-40 S/D, and a centration of 3 arcmin. They also have a clear aperture of 90% and a protective bevel.