two-mode optical fibre
Advanced fibre circuitry for all optical signal processing
... single mode fibre was used as the amplifying medium. The doped fibre had a phosphosilicate core with a core diameter of ~7 µm and an NA of ...an optical gate, and was synchronised to the DFB ...
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Nanodiamonds enable adaptive-optics enhanced, super-resolution, two-photon excitation microscopy
... an optical fibre (acting as the confocal pin hole for the single photon excitation) to a single pixel detector, a Laser Components avalanche photodiode ...the optical fibre was chosen to set ...
13
A microstructured wavefront filter for the Darwin nulling interferometer
... microstructured optical fibre (MOF) as a broadband modal filter in the Darwin nulling interferometer, operating between the wavelengths of 4 – 20 ...for optical fibre technology, not least ...
8
Shaping the light transmission through a multimode optical fibre : complex transformation analysis and applications in biophotonics
... multimode fibre by a telescope formed by lens L4 (f=200 mm) and microscope objective MO1 (Mitutoyo M Plan Apo 20x ...the fibre. The multimode fibre (Thorlabs M14L01) has core diameter of 50 µ m and ...
14
Generation and nonlinear propagation of ultrashort near infrared laser pulses
... or two practical details to note about the Burleigh ...has two drawbacks in that (i) some pump radiation is present along with the laser output and (ii) a back reflection of pump radiation is ...the ...
236
Optical fibre sensors - applications and potential
... single mode polymer fibres are now available ...several fibre materials throughout the years but have still proved elusive so strain and/or temperature isolated reference paths are often included in ...
11
Dispersion effect on Single mode Optical fibre transmission link
... The simulation was carried out in Optisystem environment and was done in two phases: Phase one was done without DCF while in phase two, DCFs were added. The following optisystem devices were used; ...
10
Experimental and theoretical analysis of polarization-maintaining fibre for sensing applications
... one fibre, yet with a high sensitivity ...(f) fibre tapering. In these in-line one-fibre Mach Zehnders, the two light beams, split and coupled, are respectively the fundamental core ...
162
The application of scanning near field optical imaging to the study of human sperm morphology
... single mode optical ...SNOM optical reflection and optical transmission signals were simultaneously detected with two photo- multipliers (R74000, Hamamatsu Photonics Italia ...pulled ...
11
The design and application of polymeric materials in a novel light modulated accelerometer
... the optical circuit, the first major loss is the output from the single mode ...single mode core, 4jim ...multimode fibre coupler had been supplied instead of a single mode fibre ...
308
Generation and propagation of ultrashort laser pulses using nonlinear waveguides
... synchronously mode-locked KChTl colour centre laser, discussed in the previous chapters, which was tuneable from 1450 nm to 1570 ...into two parts by a beamsplitter, one part (-78%) was directed to the test ...
198
Optical fibre catheter photoplethysmograph
... A fibre optic system for monitoring arterial oxygen saturation of internal tissue sites utilising the principle of reflectance pulse oximetry is being ...twin optical fibre ...using optical ...
13
A Novel Wireless Mobile Platform to Locate and Gather Data From Optical Fiber Sensors Integrated Into a WSN
... the fibre (typically 0.55 × 10 − 6 for silica fibre), and the second relates to the temperature dependence of the refractive index (approx- imately ...
8
Recent improvements of long-path DOAS measurements: impact on accuracy and stability of short-term and automated long-term observations
... improved fibre purities, leading to a re- duced inherent mode coupling in modern fibres (Kaminow et ...a fibre to the Y-shaped bundle in front of the spectrometer can have a homogenizing ...the ...
21
Optical fibre digital pulse position modulation assuming a Gaussian received pulse shape
... Optical fibre digital pulse position modulation assuming a Gaussian received pulse shape Optoelectronics [see also IEE Proceedings Optoelectronics], IEE Proceedings J Optical fibre digital pulse posit[.] ...
8
Properties of fibre bragg grating in optical fibre systems
... The fibre parameters include the value of its effective core refractive index (RI) lle and its profile, while the essential grating parameters are its period A, its length L and the ampl[r] ...
7
Optical Fibre Catheter Photoplethysmography
... The fibre-fibre separation and tissue-fibre separations were set (in randomised order) and a continuous PPG signal was recorded for 10 minutes (approximately 600 heart ...the ...
5
Fracture Properties of Mixed Mode Steel Fibre Reinforced Concrete
... steel fibre reinforced concrete (SFRC) beams with 1% volume fraction of two different steel fibres SFRC1, SFRC2 having different aspect ratios and plain concrete is done here using concrete ...Steel ...
6
Simulation Comparison of Different Dispersion Compensation Techniques in Single Channel Optical fibre Using Optisystem
... scattering. Optical phase conjugation is caused with the help of device called Optical Phase ...WDM Optical system new techniques and components are being deployed to counter Four Wave Mixing ...the ...
8
Investigation of high-speed optical fibre transmission in the presence of fibre nonlinearities.
... In a W DM transmission system, the BER increases due to fibre dispersion, nonlinearities and ASE noise. The presence o f timing jitter narrows the horizontal eye opening and is caused by the GVD-induced arrival ...
226