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 Pavos Series 1010-1080nm Faraday Rotators and Optical Isolators - Small Aperture (≤5mm) Data Sheet

Pavos Series 1010-1080nm Faraday Rotators and Optical Isolators - Small Aperture (≤5mm)

EOT’s Pavos Series 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 shields lasers from destabilizing and potentially destructive back-reflected light from interfaces on downstream optics or back-scattered ASE from optical amplifiers. Based on high Verdet constant, low absorption coefficient Terbium-based rotating material, and developed to work with up to 50W of average input power in the 1µm wavelength range, Pavos Series optical isolators provide the ultimate protection for polarized output from Nd- or Yb-doped crystal, glass, and fiber lasers.

Benefits:

· Decouple Nd and Yb laser oscillators from ASE created by amplifiers

· Eliminate relaxation oscillations in mode-locked lasers due to optical feedback

· Eliminate frequency instability in seed sources

Features:                               

· Product tested to >400W CW power

· 2° incident angle on polarizers for reduced insertion losses

· Orthogonal isolated beams

· Precision pointing of isolated beam

· Precision mounting options

· Lockable port covers

· Optional λ/2 plate available for all isolators

Specificationsa:

  1010-1080nm Rotator 1010-1045nm Isolatorb 1045-1080nm Isolatorb
Peak Transmissionc
>98%
>95%
>95%
Peak Isolationc
N/A
>33dB
>33dB
Peak Rotation 45⁰ ± 0.5⁰ 45⁰ ± 0.5⁰ 45⁰ ± 0.5⁰
Storage Temperature Range -40-70⁰C -40-70⁰C -40-70⁰C
Tunable Temperature Range 10-30⁰C 10-30⁰C 10-30⁰C
Isolated Beam Pointingd
<5mrad
<5mrad
<5mrad
Damage Thresholdc
10J/cm2 at 10ns
1J/cm2 at 8ps
10J/cmat 10ns
1J/cm2 at 8ps
10J/cmat 10ns
1J/cm2 at 8ps

Product specifications and pricing subject to change without notice.
Escape ports should be used if rejected light is >1W or 0.15J/cm2 at 10ns or forward light is >25W. All stray beams should be properly terminated.
At customer-specified wavelength and temperature
Input cube only
Note: All products are RoHS compliant.