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Xi’an Aofa Optoelectronics Tech Inc. founded in 2003 is a manufacturer engaged in a series of faraday rotator/magneto-optical glass, gradient index glass; faraday rotating glass elements, micro Grin lens, faraday rotator, optical isolator; fiber optical components and accessories; many kinds of lenses, prism, mirror and optical coating; precise glass tube and capillary, fiber optical pigtail and collimator which are used to optical collimating, coupling, imaging, fiber optical communication and medical devices.
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Address: No.126, Jin Hua North Road, Xi’an, China
Phone: +86 29 83217659
Fax: + 86 29 85216850
Email: [email protected]
Working Days/Hours: Mon – Sun / 9:00 AM – 17:30 PM
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Gradient Index Lens – Grin Lens
Gradient Index Lens – Grin Lens is a micro gradient index lens.
It is designed for use in focusing and collimation, e.g. WDM, optical couplers, collimators, optical isolators and demanding telecommunication and date communication applications
Optical Isolator
A Faraday isolator or optical isolator is an optical component which allows the transmission of polarised light in only one direction. They are typically used to prevent unwanted feedback into an optical oscillator (A laser cavity is a good example.) The operation of the device depends on the Faraday effect which is used in the main component, the Faraday rotator.
Type MR4 Faraday Rotator Glass
Type MR4 Paramagnetism Faraday Rotator Glass parameters
Verdet constant=-0.38 min/Oe*cm at 632.8 nm, t=20 ℃
Verdet constant=-0.118 min/Oe*cm at 1064 nm, t=20 ℃
Type MR3-2 Faraday Rotator Glass
Paramagnetism Faraday Rotator Glass
Type MR3-2 faraday rotator glass parameters at 20 ℃ temperature
Verdet Constant: -0.33min/Oe*cm or -96rad/T*m at 632.8 nm
Verdet Constant: -0.11 min/Oe*cm or -31.4 rad/T*m at 1064 nm
Transmission window: 400nm-1600nm
Type MR3-2 glass is characterized by a high Verdet constant and a lower nonlinear refractive index n2 to avoid self-focusing in high power laser system.Type MR3-2 Faraday Rotator Glass Elements
* Paramagnetism Faraday Rotator Glass Elements
Type MR3-2, faraday rotator glass with higher Verdet constant -0.33 min/Oe-cm at 632.8nm or -96rad/T*m at 632.8 nmType MR4, faraday rotator glass with highest Verdet constant -0.38 min/Oe-cm at 632.8nm or -110 rad/T*m at 632.8 nm* Excellent homogeneity* Very small stress birefraction
* High damage threshold
* Broad wavelength range
* Better transparency properties
* Lower nonlinear refractive index
* Lower absorption coeffcient
* Lower cost
* Large dimension availableFaraday Rotator Glass/Magneto Optic Glass
* Paramagnetism Faraday Rotator Glasses
Type MR3-2 glass with higher Verdet constant -0.33 min/Oe-cm at 632.8nm or -96rad/T*m at 632.8 nm is characterized by a high Verdet constant and a lower nonlinear refractive index n2 to avoid self-focusing in high power laser system.Type MR4 glass with highest Verdet constant -0.38 min/Oe-cm at 632.8nm or -110 rad/T*m at 632.8 nm* Diamagnetic Faraday Rotator GlassType MR1 with very important properties, its higher Verdet constant 0.072~0.092 min/Oe*cm at 632.8nm, it’s nearly independent of temperature from -40℃~+85℃ with better thermal stability, high sensitive and steady which are used for magneto-optical device, instrumentsand, magneto-optical sensor and Magneto-Optical Current Transducer (MOCT), etc.
