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Singlets

Plano-Convex Lenses - 12567 Plano-Convex Lenses

Multielement Lenses Paraxial Focal Length: f 8 2%, (400 series 8 5%) Plano-convex lenses have one flat and one convex surface. Theyhave a positive focal length and, when the preferred focal plane is adja-cent to the flat surface, they closely approach best-form for infiniteand near-infinite conjugate ratios. Plano-convex lenses are used in many devices including telescopes, collimators, magnifiers, radiome-ters, optical transceivers, and condensers. Design Wavelength (

Plano-Convex Glass Lenses

l SPECIFICATIONS:
Cylindrical Optics $ Plano-convex lenses are used to converge incident light.
): 546.1 nm or 587.6 nm $ They form both real images (as focused on a piece of paper)and virtual images (as seen through the lens if used as amagnifier). Clear Aperture (CA): 90% of central diameter Optical Material: BK7, BaK1, LaSFN9, or SF15 Center Thickness: t
c 8 0.2 mm $ Lenses are available in a variety of materials including BK7,synthetic fused silica, sapphire, and calcium fluoride. Centration: 3 arc minutes Diameter: f = 0/ 4 0.1 mm ( = 0/ 4 0.15 mm for f > 75 mm)
Mirrors $ Antireflection coatings can be ordered by appending theappropriate coating suffix as described in Chapter 5, Surface Quality: 60-40 scratch and dig OpticalCoatings Edge Characteristics: Ground with a slight protective bevel .Glass lenses exhibit excellent transmissive properties frombelow400nm to above 1 m m. Synthetic fused silica lenses extendtransmission to below 200 nm and have superior thermal andmechanical characteristics. Sapphire lenses have high transmissionfrom 150 nm to above 6

Do you need . . .

FIXED LENS HOLDER

Fixed lens holders are ideal for mounting opticsfrom 10 to 145 mm in diameter. The holder isconstructed of black-anodized aluminum, withthenominal lens diameter clearly labeled. The lens holders for our standard diameter lensesareLens DiameterPART NUMBER12.5 mm07 LHF 00225.0 mm07 LHF 007 50.0 mm07 LHF 018Holders for most nonstandard lenses are alsoavailable. Go to page 22.2–22.3 for completespecifications.
Prisms andRetroreflectors m m. Both chemically inert and extremelyhard, sapphire lenses can be cleaned repeatedly without damage orscratching. Calcium fluoride lenses, with a transmission down to150 nm, are highly suitable for deep-ultraviolet applications. Go to Chapter 4, Material Properties for a more detailed discussion onmaterials properties.
Beamsplitters,Windows, Optical Flats t c t e FA 1 H"HF" A 2 f Polarization Components r
b f Af Plano-convex lens
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