Chapter 2 Metamaterials and metasurfaces on the purpose of SAR reduction techniques and analysis
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Mohammad Rashed Iqbal Faruque
Abstract
Nowadays, in our daily lives, cellular phones have become an unavoidable device. Nevertheless, considering the effects of electromagnetic (EM) radiation that emit from cell phone causing health risk can’t be kept away. That’s why to reduce the specific absorption rate (SAR) due to mobile phone causes should be lower than the standard limits. That is possible only through using antenna indie. The phone for getting value addition is now in great demand. Following SAR reduction techniques, it’s not possible to reduce total absorption of EM radiation that directly damages the individuals’ physique tissues. Still now some limitations in the conventional SAR reduction techniques for mitigating the EM radiation ejected from the portable devices motivate the researchers to investigate and create a better antenna. In this chapter, the works that researchers have done in the last few years to reduce the absorption of EM radiation through maintaining cell phones by using SAR reduction techniques are going to be discussed. Moreover, numerous factors that affect the SAR values will also be discussed. As of now, there are a few drawbacks in the SAR reduction techniques to get the extensive use of cellular devices as a safe device. A thorough study is given to understand the different ways of reducing health hazards of mobile phone in order to apply stronger methods to lessen the EM radiation and its consequences on the individual physiqu
Abstract
Nowadays, in our daily lives, cellular phones have become an unavoidable device. Nevertheless, considering the effects of electromagnetic (EM) radiation that emit from cell phone causing health risk can’t be kept away. That’s why to reduce the specific absorption rate (SAR) due to mobile phone causes should be lower than the standard limits. That is possible only through using antenna indie. The phone for getting value addition is now in great demand. Following SAR reduction techniques, it’s not possible to reduce total absorption of EM radiation that directly damages the individuals’ physique tissues. Still now some limitations in the conventional SAR reduction techniques for mitigating the EM radiation ejected from the portable devices motivate the researchers to investigate and create a better antenna. In this chapter, the works that researchers have done in the last few years to reduce the absorption of EM radiation through maintaining cell phones by using SAR reduction techniques are going to be discussed. Moreover, numerous factors that affect the SAR values will also be discussed. As of now, there are a few drawbacks in the SAR reduction techniques to get the extensive use of cellular devices as a safe device. A thorough study is given to understand the different ways of reducing health hazards of mobile phone in order to apply stronger methods to lessen the EM radiation and its consequences on the individual physiqu
Chapters in this book
- Frontmatter I
- Preface V
- Contents VII
- Chapter 1 Concept and property of metamaterial 1
- Chapter 2 Metamaterials and metasurfaces on the purpose of SAR reduction techniques and analysis 41
- Chapter 3 Terahertz metamaterial absorber sensor development for hazardous gas sensing 81
- Chapter 4 Application of metamaterials in radiation protection 103
- Chapter 5 Medical application of metamaterials 149
- Chapter 6 Metamaterial absorbers: from theory to practical implementation 165
- Chapter 7 Coding metamaterials: RCS reduction and EMI shielding considerations 187
- Chapter 8 Metamaterial incorporated microstrip-based sensor for dielectric material characterisation 207
- Index 239
Chapters in this book
- Frontmatter I
- Preface V
- Contents VII
- Chapter 1 Concept and property of metamaterial 1
- Chapter 2 Metamaterials and metasurfaces on the purpose of SAR reduction techniques and analysis 41
- Chapter 3 Terahertz metamaterial absorber sensor development for hazardous gas sensing 81
- Chapter 4 Application of metamaterials in radiation protection 103
- Chapter 5 Medical application of metamaterials 149
- Chapter 6 Metamaterial absorbers: from theory to practical implementation 165
- Chapter 7 Coding metamaterials: RCS reduction and EMI shielding considerations 187
- Chapter 8 Metamaterial incorporated microstrip-based sensor for dielectric material characterisation 207
- Index 239
