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United Photonics Technology
我司提供各種類(lèi)型波片，如果 消色差波片 achromatic waveplate, 零級(jí)波片zero order waveplate，多級(jí)波片 low order waveplate, 雙波長(zhǎng)波片 dual wavelength waveplate, 紅外IR波片 IR waveplate, 以及 菲涅爾延遲器，
可以根據(jù)需求定制 中小批量，也歡迎咨詢(xún)庫(kù)存。
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Waveplates
Principle / Application – λ/4 Waveplate
UPT quarter waveplates create a quarter-wavelength phase shift (π/2, 90°) and can convert linear polarization to circular polarization and vice versa. They are often used with a linear polarizer to form an isolator, blocking light reflected back from other surfaces (ellipsometry, optical pumping, isolation).
Principle / Application – λ/2 Waveplate
UPT half waveplates retard one polarization direction by half a wavelength (π, 180°), effectively changing the direction of linear polarization, depending on the orientation of incident linear polarization with respect to the crystal axis. Therefor they can be used as continuously adjustable polarization rotators e.g. in electro optical modulation or as a variable beam splitter when used in combination with a polarizing beam splitter.
Achromatic Waveplate
Unlike standard waveplates, Achromatic Waveplates, provide a constant phase shift independent of the wavelength of light that is used.This wavelength independence is achieved by using two different cr..
Achromatic Waveplate
Unlike standard waveplates, Achromatic Waveplates, 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.The Retardation tolerance of our AWPs is better than λ/100 over the entire wavelength range.The flat response of an AWP is ideal for use with tunable lasers,multiple laser-line systems and other broad spectrum sources.
Capability
| MATERIAL | Crystal Quartz&MgF2 Crystal |
| DIMENSION TOLERANCE | +0/ -0.2mm |
| WAVEFRONT DISTORTION | λ/4 |
| RETARDATION TOLERANCE | <λ/100 |
| WAVELENGTH RANGE | 240~2100nm |
| PARALLELISM | 3 arc seconds |
| SURFACE QUALITY | 40-20 scratch and dig |
| CLEAR APERTURE | 90% |
| AR/AR COATING | Rave<0.8% 450~680nm,Rave<0.8% 700~1000nm,Rave<0.5% 950~1300nm,Rave<0.5% 1200~1650nm |
| STANDARD WAVE | quarter-wave (λ /4), half-wave (λ/2) |
Specifications:
| λ/4Waveplates P/N # | λ/2Waveplates P/N # | Mounter Dia(mm) | Clear Aperture (mm) | Mounter Thickness(mm) |
| AWP410 | AWP210 | 25.4 | 10 | 8 |
| AWP412 | AWP212 | 25.4 | 12.7 | 8 |
| AWP415 | AWP215 | 25.4 | 15 | 8 |
| AWP420 | AWP220 | 30 | 20 | 8 |
| AWP425 | AWP225 | 30 | 23.5 | 8 |
Achromatic Waveplate Curves
Note: ? Custom designs for other sizes and coatings are also available upon request. ? UPT’s standard coatings are available. ? Other waveplates with different wavelength range are also available upon request, please contact UPT for more information. United Photonics Technology
