Fig. 2From: A single mode porous-core square lattice photonic crystal fiber for THz wave propagationMode field distribution of the proposed square lattice PCF for (a) 50 % porosity (b) 65 % porosity and (c) 80 % porosity at D core = 280 μm and f = 1 THz. (The scale of color bar indicates the normalized values)Back to article page