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Powell prism (also known as a Powell lens) is a special optical component designed to convert a laser beam into a highly uniform "laser line" with a straight-line intensity distribution. Its core value lies in solving the problem that ordinary optical elements (such as cylindrical lenses) cannot generate a uniform laser line.
Most laser beams (Gaussian beams) are bright at the center and dark at the edges. The top of a Powell prism is a unique two-dimensional aspherical surface. When the laser passes through this surface, it precisely controls the refraction path of the light, redistributing the energy from the beam center to both ends of the line, thus counteracting the non-uniformity of the Gaussian distribution and ultimately forming a uniform "flat-top" intensity distribution along the entire line.
| Items | Parameters |
|---|---|
| Material | Fused silica/ BK7glass |
| Diameter | Φ0.8mm, Φ1mm, Φ2mm, Φ3mm, Φ5mm, Φ9mm, Φ10mm, Φ 15mm or customized size |
| Diameter Tolerance | +0.0/-0.05mm / ±0.05mm |
| Range of Fan | 3°,5°,10°,15°,20°,30°,45°,53°,60°,70°,75°,85°,90°96°,100°,110°,120° |
| Angle tolerance | <3arc min~30arc sec. |
| Beam wide | 3mm, 4mm, 5mm or customized size |
| Surface quality | 60/40, 40/20, 20/10 scratch and dig |
| Clear aperture | >90% |
| Bevel | <0.2mm×45° |
| Coating | As per customer’s request |
| Type No. | Beam dimension (mm) | Angle of fan (°) | Diameter ( mm ) | Height ( mm ) |
|---|---|---|---|---|
| ECO-PWP-1GB-15 | 1 | 15 | 9 | 8 |
| ECO-PWP-1GB-30 | 1 | 30 | 9 | 8 |
| ECO-PWP-1GB-40 | 1 | 40 | 9 | 8 |
| ECO-PWP-1GB-45 | 1 | 45 | 9 | 8 |
| ECO-PWP-1GB-60 | 1 | 60 | 9 | 8 |
| ECO-PWP-1GB-90 | 1 | 90 | 9 | 8 |
| ECO-PWP-1GB-110 | 1 | 110 | 9 | 8 |
| ECO-PWP-2GB-4 | 2 | 4 | 9 | 8 |
| ECO-PWP-2GB-30 | 2 | 30 | 9 | 8 |
| ECO-PWP-2GB-60 | 2 | 60 | 9 | 8 |
| ECO-PWP-2GB-70 | 2 | 70 | 9 | 8 |
| ECO-PWP-2.5GB-30 | 2.5 | 30 | 9 | 8 |
| ECO-PWP-3GB-10 | 3 | 10 | 9 | 8 |
| ECO-PWP-3GB-15 | 3 | 15 | 9 | 8 |
| ECO-PWP-3GB-20 | 3 | 20 | 9 | 8 |
| ECO-PWP-3GB-30 | 3 | 30 | 9 | 8 |
| ECO-PWP-3GB-45 | 3 | 45 | 9 | 8 |
| ECO-PWP-3GB-45 | 3 | 45 | 9 | 8 |
| ECO-PWP-3GB-60 | 3 | 60 | 9 | 8 |
| ECO-PWP-3GB-70 | 3 | 70 | 9 | 8 |
| ECO-PWP-3GB-90 | 3 | 90 | 9 | 8 |
| ECO-PWP-3GB-110 | 3 | 110 | 9 | 8 |
| ECO-PWP-3GB-110 | 3 | 110 | 9 | 8 |
| ECO-PWP-4GB-22 | 4 | 22 | 9 | 8 |
| ECO-PWP-4GB-30 | 4 | 30 | 9 | 8 |
| ECO-PWP-4GB-90 | 4 | 90 | 9 | 8 |
| ECO-PWP-5GB-10 | 5 | 10 | 9 | 8 |
| ECO-PWP-5GB-30 | 5 | 30 | 9 | 8 |
| ECO-PWP-5GB-35 | 5 | 35 | 9 | 8 |
| ECO-PWP-5GB-40 | 5 | 40 | 9 | 8 |
| ECO-PWP-5GB-45 | 5 | 45 | 9 | 8 |
| ECO-PWP-5GB-55 | 5 | 55 | 9 | 8 |
| ECO-PWP-5GB-55 | 5 | 55 | 9 | 8 |
| ECO-PWP-5GB-60 | 5 | 60 | 9 | 8 |
| ECO-PWP-5GB-70 | 5 | 70 | 9 | 8 |
| ECO-PWP-5GB-75 | 5 | 75 | 9 | 8 |
| ECO-PWP-5GB-90 | 5 | 90 | 9 | 8 |
| ECO-PWP-5GB-110 | 5 | 110 | 9 | 8 |
| ECO-PWP-5.7GB-90 | 5.7 | 90 | 9 | 8 |
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