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Radiation Engineering and Optical Phased Array
Radiation is a very important energy conversion process in engineering optics. Effective thermal radiation management can not only improve the...
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Nanophotonics for light detection and ranging technology
Light detection and ranging (LiDAR) technology, a laser-based imaging technique for accurate distance measurement, is considered one of the most...
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Metasurface optofluidics for dynamic control of light fields
The ability to manipulate light and liquids on integrated optofluidics chips has spurred a myriad of important developments in biology, medicine,...
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Review of Non-destructive Testing Techniques Used in LWRs Inspections
Non-Destructive Testing refers to a set of methods to assess the integrity of industrial componentsComponent, without damaging them, either during...
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A bioinspired multilayer film with angle dependent and humidity responsive color-changing performances based on its crosslink networks
Color changing can immediately activate system of vision, which bring corresponding monitoring function without delay. Traditional color-changing...
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A weavable and wearable polymer ultrasonic transducer with a large bandwidth
The rise of Internet of Things technologies has promoted the rapid advancement of wearable health monitoring devices. While medical ultrasound...
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Soft wearable devices for deep-tissue sensing
Wearable devices with skin-like mechanical properties enable continuous monitoring of the human body. However, wearable device design has mainly...
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Materials for Indian Space Program: An Overview
Materials are the backbone of any engineering structure and aerospace materials technologies are therefore closely guarded, in view of their dual...
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Nanophotonic materials for space applications
Space exemplifies the ultimate test-bed environment for any materials technology. The harsh conditions of space, with extreme temperature changes,...
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3D printing metamaterials for highly efficient electromagnetic wave absorption
Metamaterials (MMs) with artificial structures have extraordinary physical properties that cannot be found in traditional materials. MMs with...
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Electromagnetic Metamaterials and Metadevices
Electromagnetic metamaterials are engineered materials that exhibit controllable and tunable electromagnetic properties within a desired frequency...
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Characterization Using Passive or Interactive Techniques
Analytical techniques can be distinguished between passive ones, taking profit of the inherent activity of the sample, and those which are...
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New Methods and Transducer Designs for Ultrasonic Diagnostics and Therapy
UltrasoundUltrasound has found usage in all aspects of the medical field, including diagnostic, therapeutic, and surgical applications....
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Circuit and System Applications of Tunable Ferroelectric Devices
This chapter looks at circuit and systems applications of ferroelectrics. Voltage Controlled Oscillators (VCO) based on ferroelectric varactors with...
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Metals
Of all the 115 elements listed in the Periodic Table, 70% exhibit metallic character. Since the discovery of copper and bronze by early...
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Vertical Combdrive Actuator: Design and Fabrication for Micromirror Applications
This chapter will focus on the design of electrostatic actuators as critical elements in the design of dynamic elements in optical microsystems....
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Fabrication Techniques in Micromachined Capacitive Ultrasonic Transducers and their Applications
Piezoelectric crystals, ceramics, polymers, and piezocomposite materials have long dominated the ultrasonic transducer technology, especially in...
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MEMS/NEMS Techniques and Applications
Ultrasound is an imaging tool with a broad range of applications such as medical diagnostics, underwater exploration and nondestructive evaluation of...
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Techniques in MEMS Microthermal Actuators and Their Applications
Micro machined transducers have been the focus of study for many groups over the past two decades and as such, a body of literature is dedicated to...
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Self-Focusing Surface Wave Array
Nondestructive testing (NDT) with surface waves is very sensitive to surface defects because the ultrasonic energy is concentrated in a small region...