Enhanced Watt Pilot - Attenuator

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Enhanced Watt Pilot - Attenuator
Continuously Variable Attenuator with Brewster type polarizers.
AR coatings R< 0.25% all entrance and exit surfaces
Attenuation range Reflection mode: 0.3 - 99% for reflected s-pol beam Broad-band reflection mode: 0.5 - 98% for reflected s-pol beam Transmission mode: 0.3 - 95% for transmitted p-pol beam
Clear Aperture, mm 15 mm (up to 50 mm are available)
Configuration Reflection mode: λ/2 Zero Order Waveplate + 2x Brewster type thin film polarizers Broad-band reflection mode: λ/2 Zero Order Waveplate + 2x Broad-band Brewster type thin film polarizers Transmission mode: λ/2 Zero Order Waveplate + 1x Brewster type thin
Extinction Ratio Ts/Tp< 1:500
Laser Damage Threshold, J/cm² >5 J/cm2; >100 mJ/cm2@100fs, 10 Hz, 800 nm
Operating Wavelength Range, nm Reflection mode: ±5 nm Broad-band reflection mode: ±20 nm Transmission mode: ±5 nm
Time dispersion t<4 fs for 100 fs Ti:Sapphire laser pulses
Description

Details

Enhanced Watt Pilot consists of 2 high-performance polarizing optics components placed in precision opto-mechanical Holder. The variable attenuator/beamsplitter incorporates 2 high-performance Brewster type polarizers, which reflect s-polarized light while transmitting p-polarized light. These two Brewster type polarizers are housed in special design opto-mechanical adapter. The adapter allows to use either round shape either rectangular shape Brewster type polarizers as well.
A rotating quartz Phase λ/2 Waveplate is placed in the incident polarized laser beam. The intensity ratio of those two beams may be continuously varied without alteration of other beam parameters by rotating the waveplate. The intensity of either exit beam, or their intensity ratio, can be controlled over a wide dynamic range.
P-polarization could be selected for maximum transmission, or high-purity s-polarization could be reflected when maximum attenuation of the transmitted beam takes place.
Features
  • Ideal for femtosecond applications
  • Divides laser beam into two parallel beams of manually adjustable intensity ratio
  • Large dynamic range
  • Negligible beam deviation
  • High Optical damage threshold
  • Low dispersion for femtosecond and high energy laser pulses
Applications

Specifications of the standard models

MODELHigh Power Enhanced performanceHigh Power
Configurationλ/2 ZO Waveplate + 2x Brewster type thin film polarizersλ/2 LO Waveplate + 2x Brewster type thin film polarizers
Operational wavelenght range+/-10 nm +/-2 nm
Damage treshhold>5 J/cm2>5 J/cm2
Name OptimizationWavelength, nm Price Quantity

2-EWP-BBR-0800

Broad-band reflection mode780-820
US$1,066.00

2-EWP-BBR-1030

Broad-band reflection mode1020-1040
US$1,066.00

2-EWP-R-0266

Reflection mode266
US$975.00

2-EWP-R-0355

Reflection mode355
US$936.00

2-EWP-R-0400

Reflection mode400
US$936.00

2-EWP-R-0515

Reflection mode515
US$936.00

2-EWP-R-0532

Reflection mode532
US$936.00

2-EWP-R-0780

Reflection mode780
US$936.00

2-EWP-R-0800

Reflection mode800
US$936.00

2-EWP-R-1064

Reflection mode1064
US$936.00

2-EWP-R-1550

Reflection mode1550
US$936.00

2-EWP-T-0266

Transmission mode266
US$949.00

2-EWP-T-0355

Transmission mode355
US$910.00

2-EWP-T-0400

Transmission mode400
US$910.00

2-EWP-T-0515

Transmission mode515
US$910.00

2-EWP-T-0532

Transmission mode532
US$910.00

2-EWP-T-0780

Transmission mode780
US$910.00

2-EWP-T-0800

Transmission mode800
US$910.00

2-EWP-T-1030

Transmission mode1020-1040
US$962.00

2-EWP-T-1064

Transmission mode1064
US$910.00

2-EWP-T-1550

Transmission mode1550
US$910.00

2-EWP-T-7882

Transmission mode780-820
US$962.00
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