D ZK3 High Numerical Aperture Lens 600 Nm AR Coating High Na Lens

Optical glass D-ZK3 Precision Glass Molded, 350 - 700 nm or 400 - 600 nm AR Coating Laser Collimating Aspheric Lenses

Features

• Molded Glass Aspheric Lenses
• Focus or Collimate Light Without Introducing Spherical Aberration
• Available Unmounted or Pre-Mounted in Nonmagnetic 303 Stainless Steel Lens Cells
  Engraved with the Item #
• Broadband AR Coating for Either 350 - 700 nm or 400 - 600 nm

Aspheric lenses focus or collimate light without introducing spherical aberration into the transmitted wavefront. For monochromatic sources, spherical aberration often prevents a single spherical lens from achieving diffraction-limited performance when focusing or collimating light. Aspheric lenses are designed to mitigate the impacts of spherical aberration and are often the best single element solution for many applications including collimating the output of a fiber or laser diode, coupling light into a fiber, spatial filtering, or imaging light onto a detector.

All of the molded glass lenses featured on this page are available with an antireflection coating for either the 350 - 700 nm or 400 - 600 nm range deposited on both sides. Other AR coating options are listed in the Aspheric Lens Selection Guide table at right.

These lenses can be purchased unmounted or premounted in nonmagnetic 303 stainless steel lens cells that are engraved with the Item # for easy identification. All mounted aspheres have a metric thread that make them easy to integrate into an optical setup or OEM application; they can also be readily used with our SM1-threaded (1.035"-40) lens tubes by using our aspheric lens adapters. When combined with our microscope objective adapter extension tube, mounted aspheres can be used as a drop-in replacement for multi-element microscope objectives.

A selection of the lenses sold on this page are designed for collimating laser diodes. As seen in the tables below, a compatible laser window thickness is listed for these lenses. In these instances, the numerical aperture (NA), working distance (WD), and wavefront error of these lenses are defined based on the presence of a laser window of the indicated thickness (not included).

Map Optical offers non-coated and coated anti-reflection lenses with aspheric surfaces.
Antireflection membrane options include IR1, NIR2.
Zinc selenide based sheets are suitable for infrared applications.
Aspheric lens can well correct spherical aberration and chromatic aberration, and it is often used in barcode scanning, laser collimation, optical imaging and other fields.
Aspheric lenses are designed with a single element, which helps to minimize the number of lenses in multi-lens optical fittings.

Conventional parameters

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