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QBH/QCS series multimode fiber collimator
Product Introduction:
Our company provides a full range of multi-mode fiber collimators with low back reflection, which are used to collimate the fiber beam to achieve the desired beam diameter. They are widely used in systems that match optical devices such as laser diodes, photodiode detectors, and acousto-optic modulators Fiber optic collimators can be used in pairs to couple light into/out of other optical components Therefore, they are ideal devices for fiber coupled packaging of other devices The collimated beam diameter (BD) and full divergence angle (DA) of a fiber collimator are related to the focal length (f) of the lens, the core diameter (a) of the fiber, and the numerical aperture (NA) of the fiber The formula is as follows: BD(mm) = 2 x f(mm) x NA; DA(mrad)=a(um) / f(mm) The working principle of fiber collimator: NA: Numerical aperture of optical fiber; a: Core diameter of optical fiber; BD: Beam diameter; DA: Divergence angle; f: Focal length of lens Product features: • Various working wavelengths to choose from • Various beam diameter options Multiple lenses are available for selection Tail fiber type/Receptacle type optional Low insertion loss, low echo reflection • High power operation Application areas: Optical device packaging with multi-mode output • Light source multimode fiber coupling Multi mode fiber optic photodiode coupling • Explore other fields Technical indicators: Main technical parameters Unit Value Operating wavelength range (optional range) nm180~2000 Echo reflection dB-25- 40, - 50,- 60dB optional beam diameter mm0.2~22mm optional insertion loss typical value (tail fiber type) dB<0.6dB (60mm distance)< 0.3dB (30mm distance)
Technical specifications:
Users can specify various wavelengths within the wavelength range of 180nm to 2000nm, such as: 488nm; 532nm; 633nm, 780nm; 820nm; 850nm; 980nm; 1053nm; 1064nm; 1083nm; 1310nm; 1480nm; 1550nm, etcThe user can request the echo reflection index to be achieved The 60dB echo reflection index is only applicable to wavelengths of 1310nm and 1550nm Users can order the required beam diameter value according to their own requirements. Different beam diameters require different lenses to achieve. For specific requirements, please contact our sales personnel, who will select the appropriate lens for you The standard configuration of the Receptacle multimode collimator is the FC/PC multimode adapter interface, which needs to be connected to the multimode jumper or tail fiber of the FC/PC or FC/UPC multimode connector during use Ordering information: Tail type multimode fiber collimator Receptacle type multimode fiber collimator PMC-P-A-xxx-C/C-BD-BF-x/x-L-FA: The packaging diameter of the collimator is 1:4.0mm in length and 2:33mm in length, while 3:20mm in length and 4:8.0mm in flange type. The standard length is 5:2.5mm and 6:2.5mm in size. Package xxxx: The working wavelength is expressed in nm, for example, 633. C/C: The core diameter/cladding diameter of the fiber is 50/125um BD: Beam diameter, for example: 20 represents 20mmBF: Echo reflection: 20,40,50,60dB. Among them, 60dB is suitable for 1310nm and 1550nm X/x: Connector type: FC/PC,FC/UPC,FC/APC, SC/PC, SC/APC, SMA905, SMA906, ST.L: Tail fiber length, for example 1=1 meter F: Tail fiber type 0: 250um bare fiber 9: 900um 3:3.0mmPMC-R-FD-x-x-xxxx-BDFD: flange diameter 2:33mm 3:20mmx/x: connector type: FC/PC, FC/UPC,FC/APC, SC/PC, SC/APC, SMA905, SMA906, ST.xxxx: Working wavelength, expressed in nm, for example: 633, BD: beam diameter, for example: 20 represents 20mm
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