Buying Faraday Isolators

Faraday isolators are essentially optical one-way devices, largely blocking radiation in one direction. They can be used, for example, for protecting lasers and laser amplifiers against optical feedback. There are bulk devices as well as fiber-coupled isolators, some of which are polarization-sensitive.
Making Good Purchase Decisions
As the most professional photonics purchasing portal, RP Photonics helps you to not only to find all relevant suppliers (not limited to our advertisers), but also to make good purchasing decisions.
NEW: Structured Decision Process
Purchasing involves a lot of responsibility. We recommend that you apply best practice by using the following structured process: Go through the following expandable sections, complete the form and finally come to a purchase decision. You can then print that to a PDF for documenting the process.
Our article on best practices for purchasing and another one explaining this tool give you valuable insights.
Suppliers for Faraday Isolators
74 suppliers for Faraday isolators are listed in the RP Photonics Buyer's Guide, out of which 5 present their product descriptions. Both manufacturers and distributors can be registered.
Suppliers with Advertising Package
presenting their product descriptions
![]() Specialist in Special Optical Devices CSRayzer Optical Technology Co., Ltd1F, 2F, 6F, No. 5 Bldg, 88# Hongshan District Wuhan 430074 China | ![]() CSRayzer offers many kinds of optical isolators. The free space isolator is available with different clear aperture sizes, including diameters of 3, 5, 6, 7, 8 and 10 mm. The operation wavelength can be customized. Typical working wavelengths include 800/920/1030/1064/1550 nm, with wide adaptability. Using a high-power resistant TGG crystal and a Glan laser prism, the optical pulse damage threshold can reach 10 J/cm2. The prism is designed with double escape windows. Product-specific web page |
![]() 7639 Cordner Lasalle, Quebec H8N 2X2 Canada See us at OFC 2025 in San Francisco, April 1–3 (booth 6347)! | ![]() O/E Land's fiber-optic isolator works with any polarization state, and it features low polarization-dependent loss (PDL) and low polarization mode dispersion (PMD). The optical path is epoxy free, thereby enabling high-power applications. Being made with metallized solder package technology, this isolator is highly stable and reliable, meeting the Telcordia GR1221-CORE standard. Product-specific web page |
![]() The Future Depends on Optics Edmund Optics101 East Gloucester Pike Barrington, NJ 08007 United States See us at OPIE 25 in Pacifico Yokohama, Japan, April 23–25 (booth F-32), SPIE Defense + Commercial Sensing in Orlando (FL), USA, April 13–17 (booth 917), CLEO 25 in Long Beach (CA), USA, May 4–9 (booth 317), Automate 25 in Detroit (MI), USA, May 12–15 (booth 4400) and SPS Italia in Parma, Italy, May 13–15 (hall 5, booth 055)! | ![]() Edmund Optics free-space optical isolators incorporate a Faraday rotator and are specifically designed and manufactured to provide superior performance with high isolation, transmission, and power densities. Each option effectively reduces feedback in the external cavity of diode laser systems and blocks reflections from free-space fiber coupling. These isolators enable state of the art protection for the most stable lasers in the world and are ideal for demanding laser applications. Product-specific web page |
![]() 4F, Building 18, Qinghu Industrial Park Dahe Road, Longhua District Shenzhen, Guangdong 518109 China | ![]() Our polarization-maintaining Faraday isolator features low insertion loss, high isolation, high extinction ratio and high reliability and stability. The device is available with bare fiber or with a 900-μm jacket cable. Product-specific web page |
![]() all wavelengths. TOPTICA Photonics AGLochhamer Schlag 19 82166 Gräfelfing Germany | ![]() TOPTICA’s optical isolators provide market-leading performance spanning the UV out to the NIR. Use the same isolators that make TOPTICA lasers the best in the world! Product-specific web page |
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Other Suppliers
AC Photonics United States |
Advanced Fiber Resources Ltd. China |
AFW Technologies Pty Ltd. Australia |
Agiltron Inc. United States |
A-ONE Technology Ltd. China |
ARC Electronics United States |
Ascentta Inc. United States |
Beijing RealLight Technology Co. Ltd. China |
CASIX Inc. China |
Comcore United States |
Conoptics United States |
CPG Optics China |
Crylink China |
Crystalaser United States |
Fujian DayOptics, Inc. China |
DPM Photonics United States |
Electro Optical Components, Inc. United States |
EuroLase |
FOG Photonics, Inc. China |
GLsun Science And Tech Co., Ltd China |
Guilin GLsun Science and Tech Group Co., Ltd. China |
Haphit Inc United States |
HC Optical Science and Tech China |
Hitachi High-Tech America, Inc. United States |
5th Floor, No. 19 Building China |
HJ Optronics Inc. United States |
HYC Co., Ltd China |
HyOptic Technology Co., Ltd China |
IL Photonics Israel |
Intepon China |
Koheron France |
Lahat Technologies Ltd Israel |
Laser Components GmbH Germany |
Leysop Ltd. United Kingdom |
Lfiber Optic Ltd. China |
Lightcomm Technology Co., Ltd. China |
Lightel United States |
Lightstar Technology China |
MG Optical Solutions GmbH Germany |
Micro Laser Systems, Inc. United States |
MOG Laboratories Pty Ltd Australia |
Moltech GmbH Germany |
Nano-Giga France |
Neptec Optical Solutions United States |
New Age Instruments & Materials India |
Northrop Grumman - Cutting Edge Optronics United States |
nortus Optronic GmbH Germany |
Oelabs Inc. China |
OF-LINK Communications Co., Ltd. China |
Optimark Fiber Optics United States |
Optizone Technology (Shenzhen) Ltd. China |
Opto-Link Hong Kong |
Opton Laser International France |
OZ Optics Canada |
Photonic Solutions Ltd United Kingdom |
Photonwares Co. United States |
Primanex Corporation China |
Qbic Laser System Inc. Korea |
Rayzer Optoelectronics Technology Co., Ltd. China |
Ruik-tech Communication (Dongguan) Co., Ltd. China |
Shinkosha Co. Ltd. Japan |
SiCART Technology China |
SINY Optic-Com Co., Ltd. China |
Soliton Laser- und Messtechnik GmbH Germany |
ULO Optics Ltd. United Kingdom |
Vescent Photonics, Inc. United States |
VFIBRE Ltd. China |
Xi'an Aofa Optoelectronics Technology Inc. China |
Zhongshan Hongxin Communication Technology Co., Ltd. China |