CGH fabrication techniques and facilities

نویسنده

  • J. N. Cederquist
چکیده

Computer -generated holograms (CGHs) are used in a number of important optical technology application areas such as holographic optical elements, optical processing and computing, optical testing, image and information display, beam forming, and beam scanning. Many different CGH fabrication devices (e.g., laser beam scanners, electron beam writers) and facilities have been developed and are in use. However, none of these devices ideally suit the requirements (e.g., resolution, spacebandwidth product, recording material) of many CGH applications. Furthermore, the access of many researchers to these facilities is limited and the technical support available is often poor. New facilities specifically designed for CGH fabrication would better serve the needs of the CGH research and development community. The requirements for a successful CGH fabrication facility including appropriate technical support for users are established.

برای دانلود متن کامل این مقاله و بیش از 32 میلیون مقاله دیگر ابتدا ثبت نام کنید

ثبت نام

اگر عضو سایت هستید لطفا وارد حساب کاربری خود شوید

منابع مشابه

کاربردهای فن دو رگه‌سازی ژنومی مقایسه‌ای آرایه در سرطان و بیماری‌های ژنتیکی: مقاله مروری

Normal 0 false false false EN-US X-NONE AR-SA MicrosoftInternetExplorer4 /* Style Definitions */ table.MsoNormalTable {mso-style-name:"Table Normal" mso-tsty...

متن کامل

CGH-Explorer: a program for analysis of array-CGH data

SUMMARY CGH-Explorer is a program for visualization and statistical analysis of microarray-based comparative genomic hybridization (array-CGH) data. The program has preprocessing facilities, tools for graphical exploration of individual arrays or groups of arrays, and tools for statistical identification of regions of amplification and deletion.

متن کامل

P-112: PGS-Array-CGH Technique: New Technical Approach to Promotion ART Outcome

Background Chromosomal abnormalities are common in embryos from assisted reproductive technology, ranging from 60% abnormal embryos in women

متن کامل

Phase errors in high line density CGH used for aspheric testing: beyond scalar approximation.

One common way to measure asphere and freeform surfaces is the interferometric Null test, where a computer generated hologram (CGH) is placed in the object path of the interferometer. If undetected phase errors are present in the CGH, the measurement will show systematic errors. Therefore the absolute phase of this element has to be known. This phase is often calculated using scalar diffraction...

متن کامل

An Overview and Feasibility Study of Fabrication Technology and Characterization Techniques of Erbium-Doped Fiber amplifiers in Iran

In this paper, a brief summary of different methods of fabrication of optical preform and fiber is reviewed. Several methods of incorporation of erbium ions into optical preforms are studied. Characterization of the fabricated erbium doped fibers including measurements of refractive index profile, absorption, fluorescence and gain spectra and metastable lifetime are described. It is also expres...

متن کامل

ذخیره در منابع من


  با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید

برای دانلود متن کامل این مقاله و بیش از 32 میلیون مقاله دیگر ابتدا ثبت نام کنید

ثبت نام

اگر عضو سایت هستید لطفا وارد حساب کاربری خود شوید

عنوان ژورنال:

دوره   شماره 

صفحات  -

تاریخ انتشار 2011