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Dtic Adp012322%3a Integrated Surface Emitting Laser Arrays With Flat Tip Microprohes For The Near Field Optical Data Storage by Defense Technical Information Center
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1DTIC ADP012322: Integrated Surface Emitting Laser Arrays With Flat-Tip Microprohes For The Near-Field Optical Data Storage
By Defense Technical Information Center
Current optical data storage is challenging to increase its memory capacity and data transfer rate for realizing high-quality image and rapid service in the coming digital, multimedia and network era. To actualize more effective and simple data storage, a novel parallel near-field optical system has been proposed using vertical cavity surface emitting laser (VCSEL) microprobe arrays. The new parallel optical system is based a multibeam recording head consisting of a VCSEL array with apertures of nanometer size as a near-field wave exit. We have developed some candidates for the parallel recording head, including the direct aperture formation on the VCSEL emitting surface and the preparation of microprobe arrays with flat-tip structure. The new flat-tip microprobe array has advantages for improving the optical efficiency and stabilizing the contact head system with optical media since it is prepared from semiconductor materials of high refractive index. Silicon nano-aperture probe array has been prepared successfully with the aperture size of 150 to 500 nm using micro-fabrication techniques. We have also investigated the integrated microprobe array by the direct fabrication of flat-tip probes on the substrate of bottom emitting VCSEL arrays. Finally the reading mechanism has been studied theoretically using a finite difference time domain (FDTD) simulation and an optical feedback effect of semiconductor lasers for the integrated microprobe VCSEL array. We believe this nano-aperture VCSEL probe array is sufficiently effective to be applied to the parallel recording head for the near-field optical data storage of a high data capacity and fast transfer rate.
“DTIC ADP012322: Integrated Surface Emitting Laser Arrays With Flat-Tip Microprohes For The Near-Field Optical Data Storage” Metadata:
- Title: ➤ DTIC ADP012322: Integrated Surface Emitting Laser Arrays With Flat-Tip Microprohes For The Near-Field Optical Data Storage
- Author: ➤ Defense Technical Information Center
- Language: English
“DTIC ADP012322: Integrated Surface Emitting Laser Arrays With Flat-Tip Microprohes For The Near-Field Optical Data Storage” Subjects and Themes:
- Subjects: ➤ DTIC Archive - Kim, Young J. - Ye, Shu Y. - Suzuki, Kazuhiro - Goto, Kenya - TOKAI UNIV SHIZUOKA (JAPAN) DEPT OF INFORMATION AND COMMUNICATION TECHNOLOGY - *INTEGRATED SYSTEMS - *OPTICAL DATA - *OPTICAL STORAGE - *MICROPROBES - *VERTICAL CAVITY SURFACE EMITTING LASERS - SYMPOSIA - INFORMATION TRANSFER - REFRACTIVE INDEX - FABRICATION - PARALLEL PROCESSING - OPTICAL MATERIALS - SEMICONDUCTOR LASERS - SUBSTRATES - JAPAN - READ WRITE MEMORIES - MEMORY DEVICES - SILICON - DATA STORAGE SYSTEMS - RECORDING SYSTEMS - DATA RATE - TIME DOMAIN - APERTURES - NEAR FIELD - MULTIPLE BEAMS(RADIATION) - NANOSTRUCTURES.
Edition Identifiers:
- Internet Archive ID: DTIC_ADP012322
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The book is available for download in "texts" format, the size of the file-s is: 7.21 Mbs, the file-s for this book were downloaded 110 times, the file-s went public at Sat Oct 31 2015.
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