Model: TT Polarizer-4.
Overview
The Customized Broadband Ar Coating Optical N-Bk7 Left-Handed Polymer Circular Polarizers is supplied as a waveplate / polariser / grating. Listed geometry: thickness as Required. Surface quality 40-20 or Better. Dimensions, material grade, coating and finish can be quoted to your drawing; the values above are the listed starting point.
Specifications
| Thickness | as Required |
|---|---|
| Surface Quality | 40-20 or Better |
| Model NO. | TT Polarizer-4 |
| Polished | Yes |
| Supplier | Tianjin Tengteng Optoelectronic Technology Co., Ltd. |
Technical data
| Common Specification | |
|---|---|
| Diameter | 1" (25.4 mm) |
| Clear Aperture | >90% of Diameter |
| Thickness | 3.5 mm (0.14") |
| Dimensional Toleranceb | ±0.2 mm |
| Ellipticityc | >43.5° |
| Extinction Ratiod | >1000:1 |
| Surface Quality | 60-40 Scratch-Dig |
| Angle of Incidence | <5° |
| Substrate | N-BK7e |
| Beam Deviation | <20 arcmin |
What to specify when you request a quote
- Material — name the glass or crystal.
- Geometry — give diameter, focal length or radii, angles and tolerances.
- Surface figure — listed as “40-20 or Better”; quote surface figure (λ) and scratch-dig.
- Centring and edges — state centration and edge chamfer.
- Coating — list the band and reflectance or transmission target.
Engineering guides for this part
For material grades and coating options, see AR-Coated Glass Materials for High-Transmission Optical Parts. How parts like this are machined and finished is covered in Ultra Thin Quartz Glass Disc Processing: A Step-by-Step Manufacturing Guide. For an application example, read AR Coated Glass for Appliance Touch Screens: Specs and Selection. A related standard product is AR-Coated High-Transparency Optical Glass.
