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Aspherab Lens Assemblies
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Aspherab Lens Assemblies

Aspherab Lens Assemblies
1 /2Pages

Catalog excerpts

Aspherab Lens Assemblies  -1

231 Email: [email protected] • Web: newport.com L i g h t S o u r c e s TECHNICAL REFERENCE CALIBRATION SOURCES DEUTERIUM SOURCES ARC SOURCES INCANDESCENT SOURCES MONOCHROMATOR AND FIBER ILLUMINATORS SOLAR SIMULATORS PHOTOLITHOGRAPHY INSTRUMENTS ACCESSORIES FOR ORIEL LIGHT SOURCES Oriel Aspherab® Lens Assemblies 66061 Aspherab in 66112 Bench Mount Negligible spherical aberration and highly efficient light collection are the benefits of our Aspherab® Condensers. Aspherabs are computer designed four-element lens assemblies used for collimation of high intensity, broadband radiation, or for reimaging. The individual lens elements in our Aspherabs are air spaced, so you don't have the power handling and spectral limitations associated with epoxies. Computer Designed for Negligible Aberration Aspherabs are comprised of four elements, three positive elements to collimate the collected light, and one negative element to balance the spherical aberration of the positive elements. The elements are housed in a 3/4 inch (86 mm) diameter lens barrel. The clear aperture of most of the assemblies is 2.7 inches (69 mm). The rear plate of the lens holder is made of ceramic. This withstands the high temperatures of arc and quartz tungsten halogen lamps to 1000 W. (a) FOCUSING LIGHT PARAXIAL FOCAL PLANE (b) COLLIMATING LIGHT A A B B C C D 250 mm D D C B A LENS SPOT SIZE FOR (a) SPOT SIZE FOR (b) 40mm 10mm 0.6mm 0.4mm 10mm 1.5mm 0.03mm 0 STANDARD 2 LENS CONDENSER 2 LENS CONDENSER DESIGNED FOR BEST PERFORMANCE ASPHERAB® IDEAL LENS Fig. 1 Two applications of a lens system. In (a), an ideally parallel beam is focused to a spot. In (b), light from a point source is collected and then refocused using a 250 mm focal length lens. Planes of the minimum spot size are shown. • Highly efficient collector of light with negligible spherical aberration • Produce large, collimated beams or small, bright, focused spots • Withstand thermal shock and high intensity beams from arc lamps • Fused silica models transmit down to 200 nm

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Aspherab Lens Assemblies  -2

232 Phone: 1-800-222-6440 • Fax: 1-949-253-1680 L i g h t S o u r c e s TECHNICAL REFERENCE MONOCHROMATOR AND INCANDESCENT SOURCES ARC SOURCES DEUTERIUM SOURCES CALIBRATION SOURCES FIBER ILLUMINATORS PHOTOLITHOGRAPHY SOLAR SIMULATORS INSTRUMENTS ACCESSORIES FOR ORIEL LIGHT SOURCES Which Aspherab® Do I Use? We offer four models of Aspherab® differing in the material and focal length of the lens elements. We list these in Table 1. If you are using an Aspherab® on an Oriel Lamp Housing from Newport, you must also consider the bulb diameter and wattage of the lamp. Table 1 Aspherab® Condensers Aspherab®...

 Open the catalog to page 2

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