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TOPAG Lasertechnik GmbH
Nieder-Ramstädter Str. 247
64285 Darmstadt
Telefon: +49 6151 4259 78
Telefax: +49 6151 4259 88 
E- mail: info [at] topag.de 

8/4 beam splitter

844
8/4 beam splitter, 2-dimensional

8-4-Strahlteiler

The 8/4 beam splitter diffracts the input beam into 8 beams. Position of 4 beams are in the edges of a square. The other 4 beams are placed in the middle of the edges of the square. The power in each beam in ratio to the input power is > 8.75% and the uniformity error (power in 8 beams to each other) is < 5% (max-min)/(max+min). Power in the highest unwanted diffraction order is < 1.3%.

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Bezeichnungen der Tabs

  • Spezifications
  • Table
Tab 1
Parameters
Separation angle see table
Wavelength see table
Efficiency (power in the 8 wanted beams) > 70%
Uniformity error (max-min)/(max+min) < 2.5%
Light in 0th order beam <1%
Unwanted beams < 1.3%
Dimensions dia. 25.4mm/thickness 3mm
Active area dia. 23mm
Damage threshold 4J/cm² @10ns, 532nm
Incl. AR/AR coating
Model No.: DBS-8/4-Wavelength-Separation angle

 

Tab 2

8-4-Strahlteiler 2

8/4 beam splitter, separation angle α according to the wavelength
Wavelength 1064nm 1030nm 532nm 515nm 355nm 343nm
  2.903° 2.811° 1.452° 1.405° 0.969° 0.936°
  0.500° 0.484° 0.250° 0.242° 0.167° 0.161°
  0.296° 0.286° 0.148° 0.143° 0.0987° 0.0954°
Other angles or wavelength on request

 

Tab 3

Tab 3 Inhalt

Tab 4

Tab 4 Inhalt

Tab 5
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