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Sales & Tech Support: 231-935-4044 or sales@eotech.com


$ 1,235.00

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TORNOS Low Power Optical Isolators - 500 nm to 1030 nm

 

 

EOT's TORNOS Faraday Rotators rotate the plane of polarized light 45° in the forward direction and an additional 45° of non-reciprocal rotation in the reverse direction while maintaining the light's linear polarization. When placed between crossed polarizers, a Faraday rotator becomes an optical isolator. 

An optical isolator provides high transmission in the forward direction and strongly attenuates any light traveling in the reverse direction, effectively protecting laser diodes from the deleterious effects of back reflections. 

TORNOS Optical Isolators can be ordered with dichroic glass polarizers to minimize the size of the device for low power applications or they can be ordered with polarizing beam splitter cube polarizers for applications where maximum transmission is required and power levels do not permit the use of dichroic glass polarizers. By aligning the output polarizer orthogonal to the backward traveling light, isolation can be maximized within the usable wavelength range of the optical isolator.

FEATURES

  • Wavelength tunability
  • Attain 60 dB using two isolators in series
  • Mounting clamp
  • All isolators contain rejected beam escape ports

OPTIONS

  • Choice of dichroic glass polarizers or polarizing beam splitter cube polarizers
  • Input/output waveplates available
  • Customization available

APPLICATIONS

  • Environmental Sensing
  • Microscopy
  • Spectroscopy
  • DNA Sequencing
  • Laboratory and R&D use
  • Protecting pump lasers in amplified systems
Center Wavelength
Clear Aperture
Spectral Range Isolation at 22 °Ca Transmission at 22 °Cb Polarizer Type Pulsed Damage Thresholdc
650 nm
4 mm
630 nm to 700 nm

>30 dB

>72.5% Dichroic Glass 25 W/cm² CW
780 nm
4 mm
740 nm to 860 nm

>30 dB

>82% Dichroic Glass
25 W/cm² CW
850 nm
4 mm
840 nm to 960 nm

>30 dB

>88% Dichroic Glass 25 W/cm² CW
980 nm
4 mm
960 nm to 1030 nm

>30 dB

>90% Dichroic Glass 25 W/cm² CW

Product specifications are subject to change. All products are RoHS compliant.
When tuned for maximum isolation
At center wavelength
Isolators with PBS cube polarizers have CW damage threshold of 2 kW/cm2
NOTE: The addition of a waveplate may restrict wavelength range.

 

 

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