We present a compact self-interference incoherent digital holography(SIDH)system that incorporates a quarter-waveplate(QWP)-based geometric phase(GP)lens to achieve high-fidelity,full-color holographic imaging under b...We present a compact self-interference incoherent digital holography(SIDH)system that incorporates a quarter-waveplate(QWP)-based geometric phase(GP)lens to achieve high-fidelity,full-color holographic imaging under broadband incoherent illumination.Traditional SIDH systems that utilize half-waveplate(HWP)-based GP lenses are hindered by unavoidable triple-wavefront polarization interference,stemming from chromatic dispersion in phase retardation.This interference introduces color-dependent artifacts in the reconstructed images.In contrast,our QWP-based design inherently suppresses such interference by using the non-diffracted beam as the reference,enabling stable dual-wavefront modulation.This approach produces phase-encoded polarization interference patterns that remain spectrally consistent across the red,green,and blue(RGB)channels.Experimental results demonstrate substantial noise suppression and significantly improved full-color image fidelity,supported by channelspecific noise analysis and structural similarity metrics.The system also preserves a simplified optical configuration without active polarization control,allowing for compact integration and cost-effective fabrication.These advantages position the proposed QWP-GP SIDH architecture as a promising solution for portable,real-time digital holographic 3D imaging,with scalable potential in applications such as augmented reality,optical diagnostics,and spectral holography.展开更多
红外波段位于可见光波段与微波波段之间,相比较可见光具有热效应、不可见以及穿透性强等特点。随着以红外激光作为相干光源的红外全息技术迅速发展,红外全息技术在无损检测和无透镜成像领域已经表现出可见光全息技术无可比拟的优势。本...红外波段位于可见光波段与微波波段之间,相比较可见光具有热效应、不可见以及穿透性强等特点。随着以红外激光作为相干光源的红外全息技术迅速发展,红外全息技术在无损检测和无透镜成像领域已经表现出可见光全息技术无可比拟的优势。本文回顾了红外全息技术的发展历程,介绍了红外数字全息(Infrared Digital Holography,IRDH)技术、扫描红外数字全息(Scanning Infrared Digital Holography,SIRDH)技术、红外数字全息显微(Infrared Digital Holographic Microscopy,IRDHM)技术的研究状况,归纳总结了红外全息技术的检测优势和典型应用情况,最后展望了红外全息技术的未来发展趋势。展开更多
基金supported by the National Research Foundation(NRF)funded by the Korean government(MSIT)(No.RS-2024-00416272)supported by Electronics and Telecommunications Research Institute(ETRI)grant funded by ICT R&D program of MSIT/IITP[2019-0-00001,Development of Holo-TV Core Technologies for Hologram Media Services].
文摘We present a compact self-interference incoherent digital holography(SIDH)system that incorporates a quarter-waveplate(QWP)-based geometric phase(GP)lens to achieve high-fidelity,full-color holographic imaging under broadband incoherent illumination.Traditional SIDH systems that utilize half-waveplate(HWP)-based GP lenses are hindered by unavoidable triple-wavefront polarization interference,stemming from chromatic dispersion in phase retardation.This interference introduces color-dependent artifacts in the reconstructed images.In contrast,our QWP-based design inherently suppresses such interference by using the non-diffracted beam as the reference,enabling stable dual-wavefront modulation.This approach produces phase-encoded polarization interference patterns that remain spectrally consistent across the red,green,and blue(RGB)channels.Experimental results demonstrate substantial noise suppression and significantly improved full-color image fidelity,supported by channelspecific noise analysis and structural similarity metrics.The system also preserves a simplified optical configuration without active polarization control,allowing for compact integration and cost-effective fabrication.These advantages position the proposed QWP-GP SIDH architecture as a promising solution for portable,real-time digital holographic 3D imaging,with scalable potential in applications such as augmented reality,optical diagnostics,and spectral holography.
文摘红外波段位于可见光波段与微波波段之间,相比较可见光具有热效应、不可见以及穿透性强等特点。随着以红外激光作为相干光源的红外全息技术迅速发展,红外全息技术在无损检测和无透镜成像领域已经表现出可见光全息技术无可比拟的优势。本文回顾了红外全息技术的发展历程,介绍了红外数字全息(Infrared Digital Holography,IRDH)技术、扫描红外数字全息(Scanning Infrared Digital Holography,SIRDH)技术、红外数字全息显微(Infrared Digital Holographic Microscopy,IRDHM)技术的研究状况,归纳总结了红外全息技术的检测优势和典型应用情况,最后展望了红外全息技术的未来发展趋势。
