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Optical Isolators

Optical Isolators

Optical Isolators

Optical isolators are vital devices for eliminating the undesirable effect of return beams in high-speed optical fiber transmittance routes and amplifiers. Optical isolation also protects your equipment from dangerous ground loops, spikes and surges. Conoptics manufactures a family of ...

Optical isolators are vital devices for eliminating the undesirable effect of return beams in high-speed optical fiber transmittance routes and amplifiers. Optical isolation also protects your equipment from dangerous ground loops, spikes and surges.

Conoptics manufactures a family of modular Faraday rotators and interchangeable accessories which can be combined to perform various isolation functions.

The unique feature of a Faraday rotator is its non-reciprocity, that is, the fact that the "handedness" of the polarization rotation it imparts on a transmitted beam is dependent on the beam's propagation direction. By far the most common application of Faraday rotators is their use in optical isolators, devices used to protect laser sources from harmful back reflections.

Faraday Rotators
The Faraday rotators included in the 700 Series consist of one or more high flux NIB permanent magnets and a terbium glass element. Tuning is accomplished by moving the glass between regions of high and low field strength. An important feature of the Conoptics design is that the glass does not rotate as it is moved thereby eliminating the possibility of transmitted beam nutation due to residual wedge. Polarization rotation is a function not only of the axial magnetic field strength, but also of the glass length, L, and its Verdet constant, V. More precisely, on axis where z is along the propagation direct.

All products are supplied with (2) Glan type polarizers with double escape points and mounting base.

All have 5.0 mm aperture.

Conoptics 700 Series Optical Isolators

Conoptics 350-390nm Optical Isolator 711C-1

350-390nm tuning range, 28-30dB isolation, 85% transmission

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Conoptics 390-450nm Optical Isolator 711C-2

390-450nm tuning range, 28->30dB isolation, 85% transmission

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Conoptics 425-500nm Optical Isolator 711C-3

425-500nm tuning range, 28->30dB isolation, 85% transmission

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Conoptics 500-645nm Optical Isolator 711A

500-645nm tuning range, 37-40dB isolation, 92% transmission

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Conoptics 532-715nm Optical Isolator 712A

532-715nm tuning range, 37-40dB isolation, 92% transmission

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Conoptics 644-780nm Optical Isolator 712B

644-780nm tuning range, 37-40dB isolation, 92% transmission

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Conoptics 650-900nm Optical Isolator 713A

650-900nm tuning range, 37-40dB isolation, 92% transmission

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Conoptics 700-900nm Optical Isolator 712TGG

700-900nm tuning range, 37-40dB isolation, 92% transmission

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Conoptics 790-980nm Optical Isolator 713B

790-980nm tuning range, 37-40dB isolation, 92% transmission

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Conoptics 680-1080nm Optical Isolator 714

680-1080nm tuning range, 37-40dB isolation, 92% transmission

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Conoptics 965-1135nm Optical Isolator 715

965-1135nm tuning range, 37-40dB isolation, 92% transmission

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Conoptics 1020-1100nm Large Aperture Isolator 815

1020-1100nm tuning range, 30dB isolation, 92% transmission

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Conoptics 1064nm Optical Isolator 716TGG

1064nm tuning range, 56-60dB isolation, 88% transmission

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Conoptics Optical Isolator 716 Double

Specify centre λ tuning range, 56-60dB isolation, 88% transmission

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