The low-pass filter separates an incident ray into four rays, a separation width of the rays in the vertical direction being &dgr;v, and a separation width of the rays in the horizontal direction being &dgr;h. A separation angles of the first through third birefringent plates are &thgr;...
Tx: 10 Gb/s transmitter, PC: polarization control, BPF: bandpass optical filter. Fig. 6.2.9 shows the measured 10log(Q) versus 10log[Dwc(A,B)] as defined in Eq. (6.2.23). The corresponding A and B values are also given in the inset of Fig. 6.2.9. A linear relationship ...
Filter 305 6.2 A General ARMA Lattice Architecture 310 6.2.1 The Z-Transform Description 311 6.2.2 Synthesis Algorithm 314 6.2.3 Design Examples 317 6.3 All-Pass Filters 320 6.3.1 Optical All-Pass Filters 321 6.3.2 Fiber Dispersion Compensation 323 6.3.3 Filter Dispersion Compensation 325 6.3...
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An optical band-pass filter (BPF) is used to select the signal wavelength at λs before the detection by a photodiode and an electric preamplifier, and then received by port 2 of the network analyzer. A small portion of the optical power from each pump laser is tapped, directly detected...
°C at a sensing distance of 10.0 km. The above-mentioned methods are used for algorithm demodulation to filter the optical Rayleigh noise. Because the optical Rayleigh noise is introduced by an insufficient isolation of Raman filter, improving the isolation of the Raman filter. However, ...
Since pure water is essentially a short-pass filter, H2O makes a relatively good selective absorber for InGaP and CdTe. A similar reasoning shows that Brayco 888F gives the best selectivity for an InGaAs cell. For a Si cell, conventional Valvoline motor oil (low viscosity), is the most ...
17. An imaging device having the optical low-pass filter as defined in claim 13 disposed in front thereof. 18. A display device having the optical low-pass filter defined in claim 13 disposed in front thereof. 19. An optical low-pass filter manufactured by the method comprising the steps o...
between a second port 83 of coupler 76 and a second port 84 of coupler 77 and second branch 82 is connected between a third port 85 of coupler 76 and a third port 86 of coupler 77. Branch 81 comprises an isolator 88 serially connected to an optical band pass filter (OBPF) 89 tuned...
Method for optical energy transfer and energy guidance uses an electric field to control energy propagation using a class of poled structures in solid material. The poled structures, which may form gr