Transverse magnetic-reflected polarizer for application in surface plasmon resonance configuration

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• 作者：Qian Yang^a ; Wenling Su^b ; Songquan Li^a ; ^{lisongquan1025@163.com} ; Dongyu Li^a ; Zhen Huang^a ; Feng Liang^a
• 关键词：Surface plasmon resonance ; Polarizer ; Integrated structures
• 刊名：Optik - International Journal for Light and Electron Optics
• 出版年：2017
• 出版时间：March 2017
• 年：2017
• 卷：133
• 期：Complete
• 页码：32-35
• 全文大小：641 K
• 卷排序：133

文摘

We developed a wideband transverse magnetic (TM) −reflected polarizer composed of BK7 prism and Ag/Cr/TiO2 film. Based on the polarization-dependent loss of coupled plasmon-waveguide resonance (CPWR), BK7 prism/Ag/Cr/TiO2/air layered structure can reflect the TM-components of lightwave and severely attenuate the transverse electric (TE) −components in a wavelength range from 600 nm to 900 nm at incident angles greater than the critical angle of total reflection. In terms of its practical application, a compact, low cost surface plasmon resonance (SPR) configuration with an integrated polarizer for wavelength modulation is presented and experimentally demonstrated.