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Powell Lens

Efficient-Transformation-of-Gaussian-Beams-into-Uniform-Rectangular-Intensity-Distributions FORMFIRST.pdf

Efficient-Transformation-of-Gaussian-Beams-into-Uniform-Rectangular-Intensity-Distributions FORMFIRST.pdf

…laser homogenization and reshaping is also aided by the fact that a Powell lens only operates in a single dimension. Diode lasers typically exhibit very large divergence differences in orthogonal axes. As a result, two Powell lenses of differing characteristics can be used in the high divergence…

Efficient-Transformation-of-Gaussian-Beams-into-Uniform-Rectangular-Intensity-Distributions FORMFIRST.pdf

Efficient-Transformation-of-Gaussian-Beams-into-Uniform-Rectangular-Intensity-Distributions FORMFIRST.pdf

…and two dimensions). The most powerful and flexible way is based on the Powell lens. This whitepaper briefly reviews other beam homogenization technologies, and then examines Coherent's flat-top technology based on the Powell lens in detail. Achieving Uniform Illumination The most simple and direct…

Efficient-Transformation-of-Gaussian-Beams-into-Uniform-Rectangular-Intensity-Distributions FORMFIRST.pdf

Efficient-Transformation-of-Gaussian-Beams-into-Uniform-Rectangular-Intensity-Distributions FORMFIRST.pdf

…laser homogenization and reshaping is also aided by the fact that a Powell lens only operates in a single dimension. Diode lasers typically exhibit very large divergence differences in orthogonal axes. As a result, two Powell lenses of differing characteristics can be used in the high divergence…

Coherent Magnum II Laser Operator's Manual

Coherent Magnum II Laser Operator's Manual

…a large gap. In such cases, it is difficult to extend the beam into a very uniform line. At Coherent, we match each diode with a custom-made Powell lens to optimize the line uniformity. Coherent Magnum II lasers include a built-in focus adjustment mechanism. To change the focus at a specified…

Coherent Magnum II Laser Operator's Manual

Coherent Magnum II Laser Operator's Manual

…a large gap. In such cases, it is difficult to extend the beam into a very uniform line. At Coherent, we match each diode with a custom-made Powell lens to optimize the line uniformity. Coherent Magnum II lasers include a built-in focus adjustment mechanism. To change the focus at a specified…

STINGRAY MARKETING DRAWING POWELL LENS GRATING LENS 05-07-12

® BEAM EXIT 3.8in 97.8mm .73in 18.64mm 1.1in 27.2mm 1.4in 36.5mm CLAMPING AREA .5in 13.8mm .8in 19.5mm .75in 19.05mm CLAMPING AREA 1.6ft [0.5m] SIDE VIEW EXTERNAL FOCUS ADJUSTMENT ACCESSORY HOLDER TOP VIEW EXTERNAL FOCUS ADJUSTMENT LOCKING SET SCREW (NO.2-56) REAR VIEW INDICATOR LIGHT FRONT VIEW…

Coherent Magnum II Laser Operator's Manual

Coherent Magnum II Laser Operator's Manual

…a large gap. In such cases, it is difficult to extend the beam into a very uniform line. At Coherent, we match each diode with a custom-made Powell lens to optimize the line uniformity. Coherent Magnum II lasers include a built-in focus adjustment mechanism. To change the focus at a specified…

Efficient-Transformation-of-Gaussian-Beams-into-Uniform-Rectangular-Intensity-Distributions FORMFIRST.pdf

Efficient-Transformation-of-Gaussian-Beams-into-Uniform-Rectangular-Intensity-Distributions FORMFIRST.pdf

…noise Powell Effiency, uniformity, wavelength independent, low ripple Input beam size dependent Coherent Flat-top Technology To avoid such limitations, Coherent's approach to transforming Gaussian beams into uniform, rectangular distributions is based on Powell lenses (see Figure 3.) The Powell lens

STINGRAY MARKETING DRAWING POWELL LENS GRATING LENS 05-07-12

® BEAM EXIT 3.8in 97.8mm .73in 18.64mm 1.1in 27.2mm 1.4in 36.5mm CLAMPING AREA .5in 13.8mm .8in 19.5mm .75in 19.05mm CLAMPING AREA 1.6ft [0.5m] SIDE VIEW EXTERNAL FOCUS ADJUSTMENT ACCESSORY HOLDER TOP VIEW EXTERNAL FOCUS ADJUSTMENT LOCKING SET SCREW (NO.2-56) REAR VIEW INDICATOR LIGHT FRONT VIEW…

STINGRAY MARKETING DRAWING POWELL LENS

® BEAM EXIT FRONT VIEW 3.7in 95.1mm 1.1in 27.2mm 1.4in 36.3mm CLAMPING AREA .5in 13.8mm .7in 16.9mm .75in 19.05mm CLAMPING AREA .73in 18.64mm 1.6ft [0.5m] SIDE VIEW EXTERNAL FOCUS ADJUSTMENT TOP VIEW EXTERNAL FOCUS ADJUSTMENT LOCKING SET SCREW (NO.2-56) INDICATOR LIGHT REAR VIEW PROPRIETARY NOTICE:…

Efficient-Transformation-of-Gaussian-Beams-into-Uniform-Rectangular-Intensity-Distributions FORMFIRST.pdf

Efficient-Transformation-of-Gaussian-Beams-into-Uniform-Rectangular-Intensity-Distributions FORMFIRST.pdf

…and two dimensions). The most powerful and flexible way is based on the Powell lens. This whitepaper briefly reviews other beam homogenization technologies, and then examines Coherent's flat-top technology based on the Powell lens in detail. Achieving Uniform Illumination The most simple and direct…

STINGRAY MARKETING DRAWING POWELL LENS GRATING LENS 05-07-12

® BEAM EXIT 3.8in 97.8mm .73in 18.64mm 1.1in 27.2mm 1.4in 36.5mm CLAMPING AREA .5in 13.8mm .8in 19.5mm .75in 19.05mm CLAMPING AREA 1.6ft [0.5m] SIDE VIEW EXTERNAL FOCUS ADJUSTMENT ACCESSORY HOLDER TOP VIEW EXTERNAL FOCUS ADJUSTMENT LOCKING SET SCREW (NO.2-56) REAR VIEW INDICATOR LIGHT FRONT VIEW…

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