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$ 995.00

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NEW & IMPROVED! PAVOS+ 4 mm Optical Isolators - 1010 nm to 1080 nm


Designed to meet the demanding performance required from today's solid state lasers, the new PAVOS+ is ideal for preventing feedback and back reflections.

The new 4 mm PAVOS+ isolator builds on the existing line of PAVOS isolators adding flexibility and performance at a competitive price.

Improved Performance

  • Minimum isolation increases from 30 dB to 33 dB with typical isolation exceeding 37 dB
  • Improved thermal lens due to shorter rotator material
  • 2° tipped parallelogram PBS cubes for improved back reflection protection and perpendicular rejected beams 
  • Tunable for laser power and operating temperature


  • Completely passive; not tuning required
  • Specified performance to 50 W
  • Optically contacted PBS cubes for improved damage threshold
  • Input polarization adjustability


  • Optional waveplate on the output
  • Precision mounting available
  • Precision rejected beam pointing available
  • Customization requests encouraged


  • Elimination of ASE in amplified systems, including CPA, MOPA, and regeneratively amplified mode-locked lasers
  • Protecting lasers from back reflection caused by illuminating highly reflective materials
  • Preventing frequency instability in seed lasers and other single frequency lasers
Clear Aperture 4 mm
Peak Transmission
Peak Isolation
≥33 dBb
Peak Rotation
45° ± 2.0°
Damage Thresholda
10 J/cm2 at 10 ns
1 J/cm2 at 8 ps
1 MW/cm2 CW
Temperature Range
-20 ºC to 60 ºC
Factory Tunable
Temperature Range
10 ºC to 30 ºCc

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.
b At customer-specified wavelength and temperature.

Tunable Temperature Range applies to wavelengths 1010 nm to 1064 nm. >1064 nm is 22 ºC
NOTE: Devices will be tuned for a default operating temperature of 22 
ºC and a default operating power of 1 W unless otherwise specified by customer.


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