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Gradient Index Micro Lenses

Gradient Index Micro Lenses
2Pages

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478 Phone: 1-800-222-6440 • Fax: 1-949-253-1680 O p t i c s TECHNICAL REFERENCE AND FUNDAMENTAL APPLICATIONS CYLINDRICAL AND SPHERICAL LENSES LENS SELECTION GUIDE SPECIALTY LENSES PRISMS MIRRORS OPTICAL SYSTEMS OPTICS SETS Gradient Index Micro Lenses • Ideal for laser collimating and focusing, laser-to-fiber, fiber-to-fiber, and fiber-to-detector coupling • Improved aberration correction • Plano-angled lenses minimize back reflections • Plano-convex lenses minimize aberrations and maximize coupling efficiency • AR coated for 630, 830, 1300, or 1560 nm • Convenient to mount 1.0 Pitch Gradient index micro lenses (GRIN lenses) have a radially varying index of refraction that causes an optical ray to follow a sinusoidal propagation path through the lens and improves aberration correction. Plano-plano lenses are available in four wavelength options (630, 830, 1300 and 1560 nm), and the plano-angled and plano-convex lenses are available in three options (830, 1300, and 1560 nm). Ray Path in Gradient Index Micro Lenses Object and Image Distance for 0.29 Pitch Lenses 0 .5 1.0 Object Distance d1 (mm) Image Distance d2 (mm) 6 5 4 3 2 3.0 2.5 2.0 1.5 Approximate Magnification 630 nm 1560 nm 1300 nm 830 nm Specifications Material SELFOC® radial gradient index oxide glass Transmission 89%, 320–2000 nm Clear Aperture Central 70% of diameter Face Perpendicularity 6 mrad maximum Face Angle 8° ±0.5° (angled face lenses only) Diameter Tolerance +0.005/-0.010 mm Length Tolerance ±2.5 % Antireflection Coating Single-layer MgF2, R 1.25% per surface, ë ±30 nm ø L 0.29 Pitch, Plano-Plano d1 d2

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Gradient Index Micro Lenses 2Pages

Catalog excerpts

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Gradient Index Micro Lenses
2Pages