Quarter Wave (λ/4) Waveplates and Retardation Plates
from Electro Optical Components, Inc.
For a given plate thickness a low order waveplate will operate as a quaterwave, halfwave and full wave plate at different wavelengths. By selecting the thickness it is possible to achieve a dual order plate giving for example, halfwave retardation at 1064 nm and fullwave retardation at 532 nm. [See More]
- Retardation: Quarter; Half
- Wavelength Range: 532
- Polarizer Application: Infrared; Visible
from Tower Optical Corporation
Super Large Zero Order Waveplates – 76.2mm. Laser Quality Crystal Quartz. Air Spaced for High Power. Clear Aperture of 73mm. Mounted or Unmounted. Retardations of 1/2 and 1/4 Wave. Waveplates are AR Coated. Standard Wavelengths. Custom Wavelengths available. Rugged 4 ” Mounting Ring. A... [See More]
- Retardation: Quarter; Half
- Wavelength Range: 405 to 1064
- Order: Zero
- Diameter: 76.2
from Ross Optical Industries
The low (multiple) order waveplate is designed to give a retardance of several full waves, plus the desired fraction. This results in a single, physically robust component with desired performance. However, even small changes in wavelength or temperature will result in significant changes in the... [See More]
- Retardation: Quarter; Half
- Polarizer Application: Infrared; Visible; Ultraviolet
- Order: Multiple
- Wavelength Range: 266 to 1550
from EKSMA OPTICS
Achromatic waveplates are made from two different materials: crystal quartz and magnesium fluoride with highly efficient broadband antireflection coatings in an air spaced design. Retardation tolerance of our achromatic waveplates is better than λ/100 over the entire wavelength range. The... [See More]
- Retardation: Quarter; Half
- Clear Aperture: 12.7
- Wavelength Range: 450 to 1650
- Material: Quartz
from Edmund Optics Inc.
frac14; λ and ½ λ Retardance. Excellent Angular Field of View. Birefringent Polymer Stack. Precision Zero Order Waveplates (Retarders) feature carefully aligned birefringent polymer sheets laminated between two precision BK7 windows, and are available in standard ¼... [See More]
- Retardation: Quarter
- Clear Aperture: 10.16
- Wavelength Range: 1064
- Operating Temperature: -20 to 50
from American Polarizers, Inc.
API ’s quarter wave retarders are chromatic single layer polymer films offering great performance and clarity. Our wave retarders are optimized at 560nm (140nm OPD). More cost effective than traditional wave plates, our wave retarders feature uniform birefringence, low haze, good dimensional... [See More]
- Retardation: Quarter
- Transmittance: 92
- Thickness: 0.1016
- Operating Temperature: -50 to 65
from Qioptiq
Retardations: λ/2 and λ/4. Three different broad wavelength ranges. Cemented. Mounted versions fit to Microbench. Transmission > 86 %. Uncoated; coating available on request. Surface flatness: λ/4 at 633 nm (over clear aperture). Surface quality: 40-20 (5/ 2 x 0.16 according... [See More]
- Retardation: Quarter
- Wavelength Range: 400 to 1600
- Polarizer Application: Infrared; Visible
- Thickness: 0.9600 to 2.62
from HG Optronics, Inc.
Waveplates (retardation plates or phase shifters) are made from materials which exhibit birefringence. The velocities of the extraordinary and ordinary rays through the birefringent material varies inversely with their refractive indices. This difference in velocities gives rise to a phase... [See More]
- Retardation: Quarter; Half
- Order: Zero; Multiple
from Arcoptix S.A
The liquid crystal variable phase retarder (or phase shifter) is a transmissive element with an electrically tunable optical phase retardance. Optical retardation is often obtained with piezoelectric mirrors. However this option is not ideal if robust and compact design is necessary. This product... [See More]
- Retardation: Quarter
- Diameter: 25
- Wavelength Range: 350 to 1700
- Clear Aperture: 10
from Foctek Photonics, Inc.
Unlike standard waveplates, Achromatic Waveplates, AWP, provide a constant phase shift independent of the wavelength of light that is used. This wavelength independence is achieved by using two different crystalline materials to yield quarter- or half-wave retardation over a broad spectral range. [See More]
- Retardation: Quarter; Half
- Thickness: 8
- Wavelength Range: 450 to 1650
- Material: Achromatic; Quartz; MgF2
from Ross Optical Industries
Made of a single quartz plate that is very thin, true zero order waveplates are provided either by themselves as a single plate for high damage threshold applications (greater than 1 GW/cm2), or as a cemented plate on a BK7 substrate to provide strength. [See More]
- Retardation: Quarter
- Polarizer Application: Infrared; Visible
- Order: Zero
- Wavelength Range: 532 to 1550
from EKSMA OPTICS
Made from high quallity optical grade crystalline quartz quarter wave and half wave retardation versions available suitable for high and low power laser applications. Rotate the direction of polarization ( λ/2) or convert linear into circular polarization or vice versa ( λ/4). EKSMA... [See More]
- Retardation: Quarter; Half
- Clear Aperture: 17
- Wavelength Range: 257 to 1550
- Material: Quartz
from Qioptiq
Made of crystal quartz. Antireflective coating (R < 0.2 % at central wavelength). Wavefront distortion: λ/8 (at 632.8 nm). Surface quality: 2 x 0.063 (20/10 scratch and dig). Parallelism better than 1". Retardation tolerance λ/500 (typical). Type S: Single plate (multiple order). [See More]
- Retardation: Quarter; Half
- Polarizer Application: Infrared; Visible
- Order: Zero; Multiple
- Wavelength Range: 488 to 1064
from Ross Optical Industries
The zero order waveplate is designed to give a retardance of zero full waves, plus the desired fraction. Zero Order Waveplates show better performance than multiple order waveplates. They show a broader bandwidth and a lower sensitivity to temperature and wavelength changes and should be considered... [See More]
- Retardation: Quarter
- Polarizer Application: Infrared; Visible; Ultraviolet
- Order: Zero
- Wavelength Range: 266 to 1550
from EKSMA OPTICS
Operate at both first and second Nd:YAG laser harmonics. Retardation tolerance < λ/300 [See More]
- Retardation: Quarter; Half
- Wavelength Range: 400 to 1064
- Order: Multiple
- Clear Aperture: 17
from Qioptiq
Retardation sheets are achromatic sheets of 0.3 mm thickness. These sheets work according to conventional Gypsum- or Mica plates. Quarter-waveplate sheet especially suitable in the wavelength range of 480 - 640 nm. Please combine with a linear polarizer (in an angle of 45 °) to generate circular... [See More]
- Retardation: Quarter
- Wavelength Range: 480 to 640
- Polarizer Application: Visible
- Diameter: 12.7 to 31.5
from EKSMA OPTICS
Made from high quallity optical grade crystalline quartz quarter wave and half wave retardation versions available suitable for high and low power laser applications. Retardation plates are supplied mounted and have multilayer dielectric anti-reflection coating on both sides maximising transmission. [See More]
- Retardation: Quarter; Half
- Wavelength Range: 257 to 1550
- Order: Multiple
- Clear Aperture: 17
from EKSMA OPTICS
This Zero Order Air-Spaced Plate, made of single crystal quartz, has a clear aperture of 17 mm. For high power laser application. [See More]
- Retardation: Quarter; Half
- Clear Aperture: 17
- Wavelength Range: 257 to 1064
- Material: Quartz
from EKSMA OPTICS
Zero order wave plates are used to rotate the direction of polarization (with λ/2 plates) or convert linear into circular polarization or vice versa (with λ/4 plates). Zero order wave plates are made from two thin sections which are polished to different thicknesses to have retardation... [See More]
- Retardation: Quarter; Half
- Clear Aperture: 17
- Wavelength Range: 257 to 1550
- Material: Quartz