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MICRO-CONTROLE / Spectra-Physics
Laser Diode Objective Lenses

Laser Diode Objective Lenses

Product catalog summary

Technical Reference and Fundamental Applications

This document serves as a technical reference and guide for selecting lenses, specifically focusing on spherical, cylindrical, and specialty lenses, as well as optical systems, mirrors, and prisms.

Laser Diode Objective Lenses

The document details laser diode objective lenses designed for collimating and focusing laser diodes and fiber coupling. Key features include:

Diffraction-limited performance
Anti-reflective (AR) coating for high transmission
Excellent wavefront quality
Correction for laser diode cover glass
Microscope objective-type housing

These lenses are compatible with F-Series fiber coupling devices and ULTRAlign™ fiber positioners.

Specifications

The document provides specifications for various models of multi-element and aspheric lenses, including:

Multi-element Lenses: Models F-L40B and F-L10B, with numerical apertures of 0.47 and 0.25, respectively, and focal lengths of 4.50 mm and 12.00 mm.
Aspheric Lenses: Models F-LA15, F-LA11, F-LA17, and F-LA22, with numerical apertures ranging from 0.25 to 0.50 and focal lengths from 2.00 mm to 11.00 mm.

Each lens model is detailed with its wavelength range, numerical aperture, focal length, clear aperture, working distance, cover glass thickness correction, and transmission percentages at various wavelengths (800 nm, 1060 nm, 1300 nm, 1550 nm).

Ordering Information

The document includes a table with ordering information for each lens model, specifying the wavelength range, numerical aperture, focal length, clear aperture, working distance, cover glass thickness correction, and transmission rates at different wavelengths.

For a complete selection of laser diode products, refer to the Photonics and Instrumentation Section.

Catalog excerpts

494 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 Laser Diode Objective Lenses F-LA17 F-L10B F-L40B F-LA11 • Ideal for collimating or focusing • Diffraction limited performance • AR coated for high transmission • Excellent wavefront quality • Corrected for laser diode cover glass • Microscope objective-type housing These objective lenses have been specially designed for collimating and focusing laser diodes as well as fiber coupling. As laser diodes have very large beam divergence, we offer various high numerical aperture lenses and multiple focal lengths to accommodate your specific collimated beam diameter. These lenses have all been corrected for the standard laser diode cover glass. We offer both multi-element and aspheric lenses. All of these objectives are packaged in a microscope objective housing with standard RMS thread. They are compatible with our F-Series fiber coupling devices and ULTRAlign™ fiber positioners (see page 931). Ordering Information Model Wavelength (nm) Numerical Aperture (NA) Focal Length (mm) Clear Aperture (mm) Working Distance (mm) Cover Glass Thickness Correction (mm) Transmission 800 nm 1060 nm 1300 nm 1550 nm Multi-element Lenses F-L40B 750–850 0.47 4.50 4.5 2.3* 0.3/n = 1.5 >97% 94% >97% >97% F-L10B 850–1550 0.25 12.00 5.0 6.0 ALL/n = 1.5 94% 94% 94% 94% Aspheric Lenses F-LA15 460–1550 0.50 2.00 2.0 0.7* 0.25/BK 7 94% 94% 92% 88% F-LA11 510–1550 0.40 6.24 5.0 3.0* 0.275/BK 7 93% 93% 91% 87% F-LA17 430–1550 0.30 6.16 3.7 4.4* 0.275/BK 7 94% 94% 92% 88% F-LA22 350–1550 0.25 11.00 5.5 7.5* 0.25/BK 7 93% 93% 91% 87% * Working distance includes the cover glass thickness Please see the Photonics and Instrumentation Section for a complete selection of laser diode products.

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