Bullseye® Apodizing Optical Filters
Description
Reynard Corporation offers Bullseye® Apodizing optical filters used to eliminate undesirable intensity variations in optical systems.
There are two types:
Dark Center: The normal Bullseye® Apodizing configuration decreases in density radially from a dark center, where light is usually at its peak intensity, to the outside edge, where it can become completely transparent. Normal apodizing filters are used to modify a Gaussian light source into a ‘top-hat’ type of output with a flat wavefront, as can be seen be seen in the animation on our webpage. Standard filters, depending on the product selected, start with a central density between OD1 and OD5 and change to fully transparent as you move to the outer edges of the optical component. Custom gradients can also be defined.
Clear Center: In the Bullseye® Inverse Apodizing configuration, the density increases from the center to the outside edge. Following a Gaussian distribution from a clear center, the outer edges of the optic will achieve a density of OD1 to OD5, depending on the product selected. These filters are used to create a well-defined Gaussian wavefront, as seen in the animation on our website, or can be used to eliminate unwanted intensity variations in an optical system. Custom gradient functions can be defined.
ISO 9001:2015 certified and ITAR registered.
Custom prototypes to volume production are available.
Bullseye® Apodizing Optical Filters
Specifications |
|
|---|---|
| Attenuator Type: | Other |
| Shape: | Round, Square, Custom |
| Size: | 25 to 50 ± 0.2 mm |
| Optical Density: | 1-5, Specify |
| Substrate Material: | N-BK7 |
| Optical Density: | 0.04 to 5 |
| Surface Quality: | 80-50 Scratch & Dig |
| Bevel: | 45° |
| Clear Aperture: | 90% |
| Transmitted Wavefront Error: | < 2 Waves Per 25mm |
| Wavelength: | 375nm to IR |
| Calibrated Wavelength: | 632.8nm |
Features
- PERFORMANCE: Filters can be designed to be used from the UV to the far IR.
- ABSORPTION: 10% to 35% absorption, depending on coating materials.
- FLEXIBILITY: Density gradients can be customized to suit any application.
- SIMPLICITY: The filter can be applied to a few different substrate types & sizes.
- UNIFORMITY: Corrects for non-uniformity in illuminations systems.
- SIZE: Standard 25mm or 50mm. Customize your system requirements.
Applications
- Astronomy: to reduce high intensity light sources around the featured object.
- Entertainment: to make light distribution uneven for cosmetic applications.
- Imaging: to break up diffraction patterns by the introduction of soft edges.
- Industrial: to eliminate detector saturation that occurs in automatic welding machines.
- Military: to eliminate IR detector saturation in ground-to-air and air-to-air missiles.
- Photography: to create soft edges in photos & reduce over exposed areas.
- Scientific: used as a variable phase plate when the gradient coating material has the same index of refraction as the substrate.
- Semiconductor: used in exposing systems to obtain perfect illumination distribution.
For pricing, technical or any other questions please contact the supplier
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- No markups, no fees
- Direct contact with supplier
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How to order?
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Ships from:
United States
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On FindLight:
since 2015