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FUTONICS F-Theta Lenses

F-TO 170/2000 - F-TO 345/2000

제조사	Futonics Laser GmbH / 독일
제조사/제품개요
The new Futonics product line of F-theta lenses is based on crystal lenses made of zinc selenide and calcium fluoride. Effective focal lengths of 170 mm and 345 mm are available. High-performance applications at a wavelength of 2 µm require absorption-free lens materials. Most quartz materials absorb due to intrinsic OH molecules at a wavelength of 2 µm. At several hundred watts of laser power, this residual absorption heats the lens and causes at least a distortion of the front heat waves. In extreme cases, the material even tears. Not so with the F-Theta lenses from Futonics.
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Specifications

- Design wavelength: 1940-2050nm/ 1940-2050nm
- Effective focal length: 170,2mm/ 344,8mm
- Max. Inlet diameter: 10mm/ 20mm
- Optical scanning angle: ±22/ ±24
- Working distance: 198,7mm/ 316,7mm
- Scanning area: 90mm X 90mm/ 205mm X 205mm

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