Fresnel Rhombs Retarder / FRB
The optical retardation can be given without the wavelength dependence for all visible ranges. It can be used in optical systems that change the polarization direction of the white-light source or spectroscopic measurement using polarization.
Products with Frenenel rhombs retarder built into the holder (FRH) are also available.Common Specifications
| Material | BK7 |  |
|---|---|---|
| Surface Flatness of Substrate | λ/10 | |
| Coating | Front and Rear surfaces: Anti-reflection Coating Side surfaces: Uncoated |
|
| Design Wavelength | 587.6nm | |
| Incident Angle | 0° | |
| Surface Quality (Scratch-Dig) | 40 - 20 |
| Schematic λ/2 | Schematic λ/4 |
|---|---|
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| Outline Drawing λ/2 | Outline Drawing λ/4 |
|---|---|
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| λ/2 | |||
|---|---|---|---|
| Part Number | AxBxC | Optical Axis Shift | |
| FRB-1010-2 | 10x10x40.0mm | ＜0.5mm | |
| FRB-1515-2 | 15x15x58.6mm | ＜0.5mm | |
| λ/4 | |||
|---|---|---|---|
| Part Number | AxBxC | Optical Axis Shift | |
| FRB-1010-4 | 10x10x20.0mm | 13.5mm | |
| FRB-1515-4 | 15x15x29.3mm | 20.2mm | |
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