Materials Science: Unit V: Nanoelectronic Devices
1d photonic crystals
Applications
A (1D) photonic crystal is a one-dimensional virtual medium, whose refractive index has periodic modulation
1D PHOTONIC CRYSTALS A (1D) photonic crystal is a one-dimensional virtual medium, whose refractive index has periodic modulation (Fig. 5.30). Thin film layers of materials of different dielectric constant are periodically deposited. This structure leads to a band gap in a particular propagation direction (as normal to the surface). A Bragg grating is an example of this type of photonic crystal. The 1D photonic crystals can also include layers of non-linear optical material. The non-linear behavior provides field enhancement at wavelengths near degenerate band edge. This field enhancement (intensity) can reach N2 where N is the total number of layers. • A graphene-based Bragg grating (one-dimensional photonic crystal) supports excitation of surface electromagnetic waves in the periodic structure by using He-Ne laser 633 nm as the light source. • A ID graphene-dielectric photonic crystal can act as a far-IR filter. It can support low-loss surface plasmons for waveguide and sensing applications. • 1D photonic crystals doped with bio-active metals (i.e. silver) can be used as sensing devices for bacterial contaminants. • A planar 1D photonic crystals made of polymers is used to detect volatile organic compounds vapors in atmosphere.
Applications
Materials Science: Unit V: Nanoelectronic Devices : Tag: : Applications - 1d photonic crystals
Materials Science: Unit V: Nanoelectronic Devices
Under Subject
Materials Science
PH3251 2nd semester Mechanical Dept | 2021 Regulation | 2nd Semester Mechanical Dept 2021 Regulation
Related Subjects
Professional English II
HS3251 2nd Semester 2021 Regulation | 2nd Semester Common to all Dept 2021 Regulation
Statistics and Numerical Methods
MA3251 2nd Semester 2021 Regulation M2 Engineering Mathematics 2 | 2nd Semester Common to all Dept 2021 Regulation
Engineering Graphics
GE3251 eg 2nd semester | 2021 Regulation | 2nd Semester Common to all Dept 2021 Regulation
Physics for Electrical Engineering
PH3202 2nd Semester 2021 Regulation | 2nd Semester EEE Dept 2021 Regulation
Basic Civil and Mechanical Engineering
BE3255 2nd Semester 2021 Regulation | 2nd Semester EEE Dept 2021 Regulation
Electric Circuit Analysis
EE3251 2nd Semester 2021 Regulation | 2nd Semester EEE Dept 2021 Regulation
Physics for Electronics Engineering
PH3254 - Physics II - 2nd Semester - ECE Department - 2021 Regulation | 2nd Semester ECE Dept 2021 Regulation
Electrical and Instrumentation Engineering
BE3254 - 2nd Semester - ECE Dept - 2021 Regulation | 2nd Semester ECE Dept 2021 Regulation
Circuit Analysis
EC3251 - 2nd Semester - ECE Dept - 2021 Regulation | 2nd Semester ECE Dept 2021 Regulation
Materials Science
PH3251 2nd semester Mechanical Dept | 2021 Regulation | 2nd Semester Mechanical Dept 2021 Regulation
Basic Electrical and Electronics Engineering
BE3251 2nd semester Mechanical Dept | 2021 Regulation | 2nd Semester Mechanical Dept 2021 Regulation
Physics for Civil Engineering
PH3201 2021 Regulation | 2nd Semester Civil Dept 2021 Regulation
Basic Electrical, Electronics and Instrumentation Engineering
BE3252 2021 Regulation | 2nd Semester Civil Dept 2021 Regulation
Physics for Information Science
PH3256 2nd Semester CSE Dept | 2021 Regulation | 2nd Semester CSE Dept 2021 Regulation
Basic Electrical and Electronics Engineering
BE3251 2nd Semester CSE Dept 2021 | Regulation | 2nd Semester CSE Dept 2021 Regulation
Programming in C
CS3251 2nd Semester CSE Dept 2021 | Regulation | 2nd Semester CSE Dept 2021 Regulation