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Isolators for OEM


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Isolators for OEM

OEM Application Services
  • Direct Integration to Laser Head Assemblies
  • Combination Isolator and Fiber Coupling Units
  • Minimum Footprint Packages
  • Filter Integration
  • Feedback Monitoring
  • Private Labeling

OEM and Non-Standard Isolators

In an effort to provide the best possible service to our customers, Thorlabs has made a commitment to ship our most popular free-space and fiber isolator models from stock. We currently offer same-day shipping on more than 90 isolator models. In addition to these stock models, non-stock isolators with differing aperture sizes, wavelength ranges, package sizes, and polarizers are available. These generally have the same price as a similar stock unit. If you would like a quote on a non-stock isolator, please fill out the form below and a member of our staff will be in contact with you.

Thorlabs has many years of experience working with OEM, government, and research customers, allowing us to tailor your isolator to specific design requirements. In addition to customizing our isolators (see the OEM Application Services list to the right), we also offer various application services.

 

ParameterRange
Wavelength RangeFrom 244 - 2800 nma
Aperture Sizes Up to Ø15 mm
Polarization DependenceDependent or Independent
Max PowerbUp to 2 GW/cm²
IsolationUp to 60 dB (Tandem Units)
  • Custom Faraday rotators, for use in the 244 to 5000 nm range, are also available.
  • The maximum power specification represents the maximum power for the combined forward and reverse directions. Therefore, the sum of the powers in the forward and reverse directions cannot exceed the maximum power specification.

Free-Space Isolators

We are able to provide a wide range of flexibility in manufacturing non-stock, free-space isolators. Almost any selection of specifications from our standard product line can be combined to suit a particular need. The table to the right shows the range of specifications that we can meet.

We offer isolators suitable for both narrowband and broadband applications. The size of the housing is very dependent on the desired Max power and aperture size, so please include a note in the quote form below if you have special requirements.

 

Faraday Rotators

We can also offer Faraday rotators which rotate the polarization of incoming light by 45° ±3°. These are similar to our isolators but with the polarizers at each end removed. They are available with center wavelengths from 244 to 5000 nm.

 

ParameterRange
Wavelength RangeFrom 633 - 2050 nma
Polarization DependenceDependent or Independent
Max Powerb (Fiber to Free-Space)30 W
Max Powerb (Fiber to Fiber)20 W
  • For wavelengths shorter than 633 nm, we recommend using our free-space isolators in conjunction with our modular FiberBench accessories. Please contact Technical Support for more information.
  • The maximum power specification represents the maximum power for the combined forward and reverse directions. Therefore, the sum of the powers in the forward and reverse directions cannot exceed the maximum power specification.

Fiber Isolators

Thorlabs is uniquely positioned to draw on experience in classical optics, fiber coupling, and isolators to provide flexible designs for a wide range of fiber optic specifications. Current design efforts are focused on increasing the Maximum power of our fiber isolators at and near the 1064 nm wavelength. We offer models with integrated ASE filters and taps. The table to the right highlights the range of specifications that we can meet.

Optical Isolator in FiberBench Mount
Click to Enlarge

Twin Steel Pins Insert into FiberBench
Optical Isolator in FiberBench Mount
Click to Enlarge

Mounted Isolator

The fiber used is often the limiting factor in determining the Maximum power the isolator can handle. We have experience working with single mode (SM) and polarization-maintaining fibers (PM); single-, double- and triple-clad fibers; and specialty fibers like 10-to-30 µm LMA fibers and PM LMA fibers.

In the spectral region below 633 nm, we recommend mounting one of our free-space isolators in a FiberBench system. A FiberBench system consists of pre-designed modules that make it easy to use free-space optical elements with a fiber optic system while maintaining excellent coupling efficiency. Upon request, we can provide select stock isolators in an optic mount with twin steel dowel pins for our FiberBench systems, as shown to the left.

We are also in the process of extending our fiber isolator capabilities down into the visible region. For more information, please contact Technical Support.

 

Make to Order Options

The expandable tables below provide information on some common isolator and rotator specials we have manufactured in the past. These specials are available with an average lead time of 2-4 weeks. Please use the Non-Stock Isolator Worksheet below for a quote.

Adjustable Narrowband Isolators
Center
Wavelength
Isolation, Beam Diameter (Max), Power (Max)
405 nm≥32 dB, Ø2.7 mm Beam, 3.5 W
≥32 dB, Ø4.7 mm Beam, 1.5 W
532 nm≥35 dB, Ø2.7 mm Beam, 3.0 W
633 nm≥35 dB, Ø4.7 mm Beam, 40 W
750 nm≥38 dB, Ø4.7 mm Beam, 40 W
810 nm≥38 dB, Ø4.7 mm Beam, 40 W
≥35 dB, Ø4.7 mm Beam, 1.7 W
915 nm≥35 dB, Ø4.7 mm Beam, 40 W
980 nm≥35 dB, Ø2.7 mm Beam, 0.7 W
≥35 dB, Ø2.7 mm Beam, 15 W
≥35 dB, Ø4.7 mm Beam, 1.7 W
1030 nm≥35 dB, Ø2.7 mm Beam, 15 W
≥35 dB, Ø4.7 mm Beam, 1.7 W
1150 nm≥38 dB, Ø4.7 mm Beam, 1.7 W
1220 nm
1310 nm≥36 dB, Ø4.7 mm Beam, 1.7 W
1390 nm≥38 dB, Ø3.6 mm Beam, 1.7 W
1480 nm≥38 dB, Ø4.7 mm Beam, 1.7 W
1550 nm
1650 nm
2050 nm≥28 dB, Ø4.7 mm Beam, 1.7 W
≥28 dB, Ø4.7 mm Beam, 20 W
Fixed Narrowband Isolators
Center
Wavelength
Isolation, Beam Diameter (Max), Power (Max)
440 nm≥30 dB, Ø2.7 mm Beam, 0.7 W
543 nm≥30 dB, Ø2.7 mm Beam, 0.7 W
594 nm≥30 dB, Ø2.7 mm Beam, 0.7 W
810 nm≥34 dB, Ø2.7 mm Beam, 0.7 W
1310 nm≥36 dB, Ø1.6 mm Beam, 0.2 W
Tandem Isolators
Center
Wavelength
Isolation, Beam Diameter (Max), Power (Max)
1150 nm≥60 dB, Ø3.6 mm Beam, 1.2 W
1220 nm
1310 nm
1390 nm
1480 nm
1650 nm
Faraday Rotators
Rotation: 45° ±3°
Center
Wavelength
Beam Diameter (Max), Power (Max)
405 nmØ2.7 mm Beam, 3.5 W
Ø4.7 mm Beam, 1.5 W
532 nmØ2.7 mm Beam, 15 W
Ø4.7 mm Beam, 40 W
543 nmØ2.7 mm Beam, 15 W
633 nmØ1.6 mm Beam, 6.0 W
Ø2.3 mm Beam, 8.0 W
Ø2.7 mm Beam, 12 W
Ø4.7 mm Beam, 40 W
660 nmØ2.7 mm Beam, 12 W
670 nmØ4.7 mm Beam, 40 W
780 nmØ2.7 mm Beam, 15 W
Ø4.7 mm Beam, 40 W
810 nm
830 nm
850 nm
980 nm
1030 nm
1150 nmØ3.6 mm Beam, 1.2 W
Ø4.7 mm Beam, 1.7 W
1220 nm
1310 nmØ1.6 mm Beam, 0.2 W
Ø2.3 mm Beam, 0.4 W
Ø3.6 mm Beam, 4.0 W
Ø4.7 mm Beam, 7.0 W
1390 nmØ3.6 mm Beam, 1.2 W
Ø4.7 mm Beam, 1.7 W
1480 nm
1550 nmØ1.6 mm Beam, 0.2 W
Ø2.3 mm Beam, 0.5 W
1650 nmØ3.6 mm Beam, 1.2 W
Ø4.7 mm Beam, 1.7 W
2050 nmØ3.6 mm Beam, 1.2 W
Ø4.7 mm Beam, 1.7 W
(Rotation for these isolators is 45° ±4°)

 

Custom Request Form

Request a custom isolator quote using the form below or by contacting us for more information at (973) 300-3000.

Non-Stock Isolator Worksheet:
Please select your input type:   Free-Space Input   |   Fiber Input
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Free-Space Input
Wavelength or Wavelength Range (nm):
Power (W):
Max 1/e2 Beam Diameter (mm):
Isolation (dB):
% Transmission:
Notes:
Fiber Input
Wavelength or Wavelength Range (nm):
Power (W):
Polarization Sensitivity: Dependent   |   Independent
Isolation (dB):
% Transmission:
Fiber:
Fiber Connector: FC/PC   |  FC/APC   |  Other
Output: Fiber   |  Free-Space
Notes:

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Posted Comments:
Poster: jens
Posted Date: 2009-09-18 12:29:09.0
A reply from Jens at Thorlabs: please let me reply in english to make the reply useful to as many users as possible. Below you asked for a solution to avoid a backreflection effect between your fiber and your laser. You mentioned that currently you are using an FC/PC connector, therefore I would highly recommend to switch over to FC/APC in the first step to reduce any backreflection signal. We can also offer a custom fiber isolator for your wavelength range of 633nm. In addition an antireflective coating on the fiber tip may also be an option. We will contact you directly to discuss which of the options is the best for your particular application.
Poster: s.griesing
Posted Date: 2009-09-18 08:00:34.0
Fiber-optical insulator Guten Tag, ich baue ein Faserinterferometer für 633nm Wellenlänge auf; die Laserleistung liegt um 5mW. In Vorversuchen konnte ich ein langperiodisches (ca. 0,2Hz) Signal erkennen, das von der (unerwünschten) Interferenz zwischen emittierenden und vom Ende der Einkopplel-Faser (FC/PC Anschluß) rückreflektierten Licht herrühren könnte. Von daher denke ich über einen entsprechenden Faserisolator nach- wie hoch wäre da der Preis? Vielen Dank. Mit freundlichen Grüßen, Stefan Griesing
Poster: klee
Posted Date: 2009-06-25 11:33:26.0
A response from Ken at Thorlabs to hxzou: We can quote these but we will need more information. A sales representative from OFR will contact you directly.
Poster: hxzou
Posted Date: 2009-06-25 08:32:11.0
Dear, We need two Isolator at 532nm, tow isolator at 266nm and one isolator at 718nm. Can you make them? If you can, would you please send me a quotation? Hongxin
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