Dove Prism - BK7-UVFS-FS
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United States
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since 2015
Description
Dove Prisms, offered by Rocky Mountain Instrument Co., are essential components in the realm of optical systems, serving as precise image rotators. These prisms are a truncated form of the right angle prism and utilize total internal reflection (TIR) to produce an inverted image that exits without deviation. This unique capability makes them invaluable in a range of opto-mechanical systems where image orientation is critical.
One of the key characteristics of Dove Prisms is their ability to rotate an image at twice the angular rate of the prism itself when rotated about its optical axis. This property is particularly useful in applications requiring precise image manipulation. The design of the prism, where the length is approximately four times the height, necessitates that the incident light be parallel or collimated to achieve the desired optical effects.
In scenarios where maintaining a clean hypotenuse for TIR is challenging, Dove Prisms can be enhanced with a metal or dielectric coating. This adaptability ensures that the prisms maintain their functionality across various conditions, providing reliable performance in diverse environments. Rocky Mountain Instrument Co. is committed to working closely with clients, offering custom solutions that transition seamlessly from prototype to production, ensuring that even the most technically demanding requirements are met with precision and efficiency.
Dove Prism - BK7-UVFS-FS
Specifications |
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|---|---|
| Material: | BK7, FS, UVFS |
| Mounting: | Unmounted |
| Dimensions: | Custom |
| Design Wavelength: | 546.1 nm |
| Surface Figure: | Lambda/20 @ 633nm |
| Surface Quality: | 10-5 Scratch-Dig |
Features
- Image Rotators: Dove Prisms are used as image rotators in various opto-mechanical systems, providing inverted images without deviation.
- Total Internal Reflection (TIR): Utilizes TIR to produce high-quality images, with the option for metal or dielectric coatings on the hypotenuse for applications where cleanliness is a concern.
- Image Rotation: As the prism rotates about its optical axis, the image rotates at twice the angular rate of the prism.
- Material Options: Available in materials such as BK7, UVFS, FS, and CaF2 to cater to different application needs.
- Design Wavelength: Optimized for a design wavelength of 546.1 nm.
- Surface Figure: High precision surface figure of λ/20 at 633 nm for BK7, UVFS, FS, and λ/4 at 633 nm for CaF2.
- Surface Quality: Exceptional surface quality with specifications of 10-5 for BK7, UVFS, FS, and 20-10 for CaF2.
- Dimensional Tolerance: Precision manufacturing with a tolerance of +0.000", -0.010".
- Angular Deviation: Maintains angular deviation within ≤ 3 arc minutes for accurate image alignment.
- Bevels: Features bevels of 0.010" – 0.030" at 45º for enhanced durability.
- Clear Aperture: Ensures a clear aperture exceeding the central 85% of the diameter for optimal light transmission.
Applications
- Optical Image Rotators: Ideal for rotating and inverting images in optical systems
- Beam Steering Systems: Facilitates controlled image rotation for beam manipulation
- Scientific Imaging Equipment: Used in laboratories for image derotation and analysis
- Laser Optical Setups: Enhances alignment and beam path adjustments in laser systems
- Aerospace and Defense Optics: Integrated into satellite and airborne imaging systems
Frequently Asked Questions
Dove Prisms use total internal reflection (TIR) to produce an inverted image which emerges from the exit surface without deviation.
As the prism is rotated about its optical axis, the image will rotate at twice the angular rate of the prism.
Dove Prisms are used as image rotators in a variety of opto-mechanical systems.
The dimensional tolerance of Dove Prisms is + 0.000", – 0.010".
Dove Prisms can be made of BK7, UVFS, FS, or CaF2.