STEP ATTENUATORS FOR INFRARED LASER BEAMS 111
Description
LASNIX step attenuators are precision instruments to reduce laser beam power. All beam parameters apart from power stay unaffected. The attenuators are designed for simple alignment and ease of use. The attenuation principle is based on proprietary free-standing metal grid technology introduced by LASNIX in 1984. Originally developed for high-power CO2 lasers, these grids have been tailored to accomodate the complete infrared spectrum from 0.7 to 1200 µm. Remarkably high power handling up to 300 W c.w. has been achieved. Since the grids are freely suspended, i.e. have no substrate, they can not deviate or offset the beam—in contrast to usual, substrate-based optical elements. Dispersion and phase effects on femtosecond pulses are negligible. In the attenuator, precision fabricated metal grids diffract a calibrated percentage of power out of the beam. The rejected power is absorbed in the walls of the water-coolable housing. The attenuated output beam passes undeviated (in diffraction terms, this beam represents the zeroth order). The mode structure and all other beam properties, including the divergence and M2 parameters are fully preserved, as well as the (arbitrary) polarization.
STEP ATTENUATORS FOR INFRARED LASER BEAMS 111
Specifications |
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|---|---|
| Wavelength: | Other |
| Max Fluence: | 1 J/cm^2 |
| Beam Diameter (max): | 11 mm |
| Polarization: | Random |
| Extinction Ratio: | 38 dB |
Applications
easy power setting
beam quality assurance
nonlinear interactions
detector calibration
heterodyne systems
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Germany
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Frequently Asked Questions
LASNIX step attenuators are precision instruments designed to reduce laser beam power while keeping all other beam parameters unaffected.
LASNIX step attenuators use proprietary free-standing metal grid technology introduced in 1984.
LASNIX step attenuators can handle power up to 300 W c.w.
LASNIX step attenuators preserve the mode structure, divergence, M2 parameters, and polarization of the beam.
LASNIX step attenuators can be used for easy power setting, beam quality assurance, nonlinear interactions, detector calibration, and heterodyne systems.