λ/4 Waveplates and Retardation Plates
from CASTECH, Inc.
Achromatic Zero-Order waveplate is made from two different substrate Material such as crystal quartz and magnesium fluoride. For the single material waveplates the working wavelength is very limited because of the dispersion of the material. While Achromatic Zero-Order Waveplate use two different... [See More]
- Surface Flatness: λ/4
- Order: Zero
- Retardation: Quarter (optional feature); Half (optional feature)
- Material: Quartz
from CASTECH, Inc.
Telecom waveplates are designed and manufactured specifically to meet the demanding requirements of telecom component designers. CASTECH provides telecom waveplate with many kinds of sizes , they are 91.5µm thick for the half-waveplate and 45.7µm thick for the quarter-waveplate at 1550nm. The... [See More]
- Surface Flatness: λ/4
- Order: Zero
- Retardation: Quarter (optional feature); Half (optional feature)
- Material: Quartz
from Daheng New Epoch Technology, Inc.
Achromatic Waveplates provide a constant phase shift independent of the wavelength of light that is used. Achromatic Waveplates are formed by using two different birefringent crystalline material quartz and magnesium fluoride. The relative phase difference between the two axes is either λ/4... [See More]
- Surface Flatness: λ/2; λ/4
- Diameter: 25.4
- Wavelength Range: 450 to 2100
- Clear Aperture: 18
from Tower Optical Corporation
Tower ’s achromatic waveplate (AWP) is similar to a zero-order waveplate, which is made from two pieces of crystal quartz except that the AWP is composed of one piece of crystal quartz and one piece of magnesium fluoride, MgF2. Both of these materials are birefringent, however, by proper... [See More]
- Surface Flatness: λ/2; λ/4
- Diameter: 25.4
- Wavelength Range: 465 to 1650
- Clear Aperture: 12
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]
- Surface Flatness: λ/4
- Wavelength Range: 450 to 1650
- Retardation: Quarter; Half
- Clear Aperture: 12.7
from Rainbow Research Optics, Inc.
Your One-Stop Source for Polarizer Optics. From prototype to production, Rainbow Research Optics, Inc. (RROI) manufactures and delivers precision grade and commercial quality polarizer optics and beamsplitters to address applications in the ultraviolet (UV), visible (VIS), and infrared (IR)... [See More]
- Surface Flatness: λ/4; λ/10
- Material: BK7; SF2; UVgr FS
- Polarizer Application: Infrared; Visible; Ultraviolet
- Polarizer Features: Anti-Reflection Coating
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]
- Surface Flatness: λ/4
- Order: Multiple
- Retardation: Quarter; Half
- Polarizer Application: Infrared; Visible; Ultraviolet
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]
- Surface Flatness: λ/4
- Wavelength Range: 350 to 1700
- Retardation: Quarter
- Diameter: 25
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]
- Surface Flatness: λ/4
- Polarizer Application: Infrared; Visible
- Retardation: Quarter
- Wavelength Range: 400 to 1600
from Daheng New Epoch Technology, Inc.
Crystalline quartz is frequently used for the high quality retardation applications. Air Space Quartz Zero-Order Wave plates consist of two precision polished quartz plates. The fast axes of two plates are orthogonal to each other. The wave plates are insensitive to wavelength, temperature and angle... [See More]
- Surface Flatness: λ/2; λ/4
- Wavelength Range: 355 to 1064
- Order: Zero
- Diameter: 25.4
from Tower Optical Corporation
Tower Optical offers this second series of Achromatic Waveplates (AWP ’s) which are built using 25.4 mm substrates of crystal quartz and magnesium fluoride. These substrates are cemented together. This technique helps to control costs by reducing the number of surfaces requiring AR coating... [See More]
- Surface Flatness: λ/2; λ/4
- Diameter: 25.4 to 30
- Wavelength Range: 465 to 1650
- Clear Aperture: 23
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]
- Surface Flatness: λ/2; λ/4
- Wavelength Range: 257 to 1064
- Retardation: Quarter; Half
- Clear Aperture: 17
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]
- Surface Flatness: λ/4
- Order: Zero
- Retardation: Quarter
- Polarizer Application: Infrared; Visible
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]
- Surface Flatness: λ/2; λ/4
- Order: Zero; Multiple
- Retardation: Quarter; Half
- Polarizer Application: Infrared; Visible
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]
- Surface Flatness: λ/2; λ/4
- Wavelength Range: 257 to 1550
- Retardation: Quarter; Half
- Clear Aperture: 17
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]
- Surface Flatness: λ/4
- Order: Zero
- Retardation: Quarter
- Polarizer Application: Infrared; Visible; Ultraviolet
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]
- Surface Flatness: λ/4
- Polarizer Application: Visible
- Retardation: Quarter
- Wavelength Range: 480 to 640