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ZnSe Meniscus lenses for CO2 lasers
MATERIAL - ZnSe
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Crystaltechno LTD makes high and normal pressure meniscus lenses from ZnSe.
High and normal pressure meniscus lenses are specially made for power CO2 laser systems.
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PARAMETER |
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VALUE |
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Diameter tolerance |
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+0.0 mm / -0.12 mm |
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Thickness tolerance |
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± 0.1 mm |
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Edge thickness tolerance |
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ETV < 0.05 мм |
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Surface accuracy |
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lambda/2 at 633 nm |
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Clear aperture |
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90% |
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Edge surface |
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rough polish |
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Absorption (total) |
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<0.3% with AR/AR at 10.6 µm |
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Transmission |
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>99.4% with AR/AR at 10.6 µm |
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AR/AR coated |
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Lambda=10.6 µm |
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Normal Pressure
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Diameter, mm |
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Edge Thickness, mm |
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Focal Length, mm |
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Max Pressure, bar |
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Part Number |
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25,4 |
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2,5 |
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38,1 (1.5") |
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normal |
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LOMLN17-01 |
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25,4 |
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2,5 |
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63,5 (2,5") |
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normal |
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LOMLN17-02 |
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25,4 |
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2,5 |
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76,2 (3") |
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normal |
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LOMLN17-03 |
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25,4 |
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2,5 |
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95,3 (3,75") |
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normal |
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LOMLN17-04 |
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25,4 |
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2,5 |
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101,6 (4") |
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normal |
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LOMLN17-05 |
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25,4 |
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2,5 |
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127 (5") |
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normal |
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LOMLN17-06 |
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28,0 |
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3,0 |
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38,1 (1.5") |
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normal |
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LOMLN17-07 |
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28,0 |
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3,0 |
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63,5 (2,5") |
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normal |
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LOMLN17-08 |
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28,0 |
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3,0 |
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95,3 (3,75") |
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normal |
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LOMLN17-09 |
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28,0 |
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3,0 |
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127 (5") |
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normal |
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LOMLN17-10 |
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28,0 |
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3,0 |
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190 (7,5") |
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normal |
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LOMLN17-11 |
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38,0 |
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3,0 |
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63,5 (2,5") |
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normal |
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LOMLN17-12 |
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38,0 |
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3,0 |
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95,3 (3,75") |
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normal |
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LOMLN17-13 |
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38,0 |
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3,0 |
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127 (5") |
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normal |
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LOMLN17-14 |
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38,0 |
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3,0 |
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190 (7,5") |
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normal |
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LOMLN17-15 |
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High-Pressure Conditions
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Diameter, mm |
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Edge Thickness, mm |
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Focal Length, mm |
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Max Pressure, bar |
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Part Number |
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28,0 |
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4,2 |
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63,5 (2,5") |
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15 |
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LOMLH17-01 |
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28,0 |
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4,2 |
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95,3 (3,75") |
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15 |
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LOMLH17-02 |
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28,0 |
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4,2 |
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127 (5") |
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15 |
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LOMLH17-03 |
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28,0 |
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4,2 |
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190 (7,5") |
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15 |
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LOMLH17-04 |
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38.0 |
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6.2 |
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63,5 (2,5") |
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15 |
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LOMLH17-05 |
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38.0 |
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6.2 |
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95,3 (3,75") |
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15 |
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LOMLH17-06 |
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38.0 |
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6.2 |
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127 (5") |
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15 |
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LOMLH17-07 |
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38.0 |
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6.2 |
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190 (7,5") |
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15 |
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LOMLH17-08 |
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38.0 |
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7.4 |
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95,3 (3,75") |
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20 |
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LOMLH17-09 |
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38.0 |
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7.4 |
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127 (5") |
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20 |
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LOMLH17-10 |
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38.0 |
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7.4 |
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190 (7,5") |
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20 |
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LOMLH17-11 |
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50.0 |
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9.6 |
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190 (7,5") |
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20 |
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LOMLH17-12 |
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ZnSe
Ordering Info
For unpowered CO2 lasers for marking and graving it' better to request non-expensive ZnSe lenses from ZnSe CVD slightly smoggy in visible. Low cost lenses for low power lasers!
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