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| Coad | 670225 | Substrate | Liquid Crystal Polymer / N-BK7 | |
| Type | Vortex Waveplate Array | Operating Temperature | -20 - 80°C | |
| Dimension(mm) | 12.7 x 2.0 | Incident Beam Size | 0.3 - 10.0mm | |
| Clear Aperture（mm） | 10.00 | Center Offset | ＜0.5mm | |
| Wavelength(nm) | 633 | AOI | ±20° | |
| Order | 1 - 9 | Housing Specification | 53.0 x 47.0 x 5.0mm | |
| Optical Retardance | λ/2 | RMS | ±5nm | |
| Transmission Light Deviation | ＜10 arcmin / ＜1 arcmin（Unmounted） | Fast Axis Accuracy | - | |
| Transmittance | ＞98% | Surface Quality | 40-20 | |
| Conversion Efficiency | ＞99.5% | Transmission Wavefront Deviation | ＜λ/4@633nm | |
| Coating Type | AR Coating | Coating Specifications | Ravg<0.5%@400-700nm,AOI=0° |
LBTEK Vortex Waveplate Array is fabricated on an N-BK7 glass substrate using liquid crystal polymer (LCP) material. It integrates vortex waveplate units with topological charges m = 1–9 into a 3×3 array, available in either modular (split-type) or integrated form, and can be mounted in a standard SM1 lens tube or custom-designed mechanical fixtures.
Depending on the polarization state of the incident beam, the device can generate vortex beam arrays with orbital angular momentum (OAM) l = ±1–9, as well as various vector-polarized beam arrays. Compared with a single vortex waveplate, the Vortex Waveplate Array offers a higher level of integration, making it more convenient for applications involving vortex beam arrays. At the same time, it retains the advantages of planar optical components—high efficiency, stability, and ease of operation. Its true zero-order design further enables reduced wavelength sensitivity, enhanced thermal stability, and a larger range of incident angles.
LBTEK m=1–9 Half-Inch Vortex Waveplates are mounted in a specially designed holder, forming a 3×3 square array. Arranged sequentially from left to right and top to bottom, the topological charge m of the vortex waveplates increases from 1 to 9. The center-to-center spacing between adjacent vortex waveplate units is 15 mm. Each vortex waveplate has a clear aperture of Ø10 mm and is suitable for beams with diameters ranging from Ø0.3 mm to Ø10.0 mm. The array can be used to generate Laguerre–Gaussian beam arrays with OAM l = ±1–9, as well as various vector-polarized beam arrays.
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