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$ 1,650.00

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EURYS Broadband Optical Isolators - 720 nm to 950 nm

EOT's EURYS Broadband Rotators rotate the plane of polarized light 90° at 800 nm in the forward direction and 0° from 720 nm to 950 nm in the reverse direction while maintaining the light's linear polarization. When placed between crossed polarizers, a broadband Faraday rotator becomes a broadband optical isolator. 

EURYS Broadband Optical Isolators provide high transmission in the forward direction and strongly attenuate back-reflected light between 720 nm to 950 nm in the reverse direction protecting Ti:Sapphire oscillators from the deleterious effects of back reflections and also eliminating preferential lasing at the lower gain wavelengths of Ti:Sapphire lasers. Utilizing optics with low refractive indices and short optical pathlengths minimizes pulse broadening due to dispersion in the optics associated with ultra-short laser pulses.

FEATURES

  • Completely passive; no tuning required
  • All isolators contain rejected beam escape ports
  • Adjustable to handle any angle of linear input polarization without additional optics

OPTIONS

  • Input/output waveplates available
  • Precision mounting options on the 5 mm version
  • Precision rejected beam pointing available on the 5 mm version
  • Customization available

APPLICATIONS

  • Protect Ti:Sapphire oscillators from back reflections
  • Eliminate preferential lasing at lower gain wavelengths of Ti:Sapphire lasers
  • Eliminate ASE from high-gain amplifiers
  • Minimize pulse broadening due to dispersion in the optics
 
Small Aperture
Isolatorsa
Large Aperture
Isolatorsa
Clear Aperture 5mm 8 mm, 10 mm
Center Wavelength 800 nm 800 nm
Spectral Range
720 nm to 950 nm
720 nm to 950 nm
Transmission at 22 °C
>92%
>92%
Isolation at 22 °C >33 dB >30 dB
Damage Threshold
>3.4 J/cm2 at 10 ns
1 J/cm2 at 8 ps
5 J/cm2 at 10 ns
2 kW/cm2 CW

Product specifications are subject to change. All products are RoHS compliant.
Escape ports should be used if rejected light is >1 W or 0.15 J/cm2 at 10 ns or forward light is >25 W. All stray beams should be properly terminated.

Dispersion: Some pulse broadening does occur when using EOT's EURYS Broadband Isolators. The Sellmeiers Equation for TGG used in the broadband isolators is:
 

 


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