Laser holographic lithography

Organisaatiot: Itä-Suomen yliopisto » Fysiikan ja matematiikan laitos (Joensuu)

Spectra Physics BeamLok 2080-20

Pertti Pääkkönen

2004

2004

BeamLok 2080-20 Ar-ion laser.

Holographic recording of an interference pattern on photoresist.

Laser unit BeamLok 2085-20
Beam wavelength
363,8 nm
Continuous beam power
>1,3 W @ 363,8 nm
 Total 20 W for all wavelengths
Beam 1/e2 diameter1,9 mm
Beam divergence
0,45 mrad full angle
Polarization
>100:1
Mode spacing
84 MHz
  

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