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Proc. of SPIE - the International Society for optical engineering, volume 410, laser beam propagation in the atmosphere, Arlington, USA, April 5-6, 1983
Tema Archiv | 1983Der Band 410 der 'SPIE'-Berichte beschaeftigt sich mit Fragen der Laserstrahlausbreitung in der Atmosphaere. In drei Fachsitzungen werden ... -
Reproducible, unfriendly environment resistant, optical fiber polarization-maintaining fused couplers
Tema Archiv | 1990|of splitting ratio reproducibility and stability against environment variations. The development of the couplers production takes origin from ... -
Thin films for active optics
Tema Archiv | 1990|during the course of this international symposium. The search revealed a high level, of activity in magneto-optic films for information storage ... -
Long-term reliability and performance testing of fiber optic sensors for engineering applications
Tema Archiv | 1991|sensitivity of 0,05 Cel are reported for the optical temperature sensor system operating over a wide ambient temperature range. ... -
Laser scan microscope and infrared laser scan microscope - two important tools for device testing
Tema Archiv | 1991|The optical beam induced current (OBIC) produced in devices by a laser scan microscope (LSM) is used to localize hot spots, leakage ... -
Comparison of worldwide opinions on the costs and benefits of PACS
Tema Archiv | 1991|A major problem in the assessment of the costs and benefits of PACS is the lack of international consensus on e.g. the functional ... -
Need for quality assurance related to PACS
Tema Archiv | 1991|of radiology practice. The need for QA in all aspects of radiology is being escalated by more complex technology, administrative controls ... -
A computer vision system for automated inspection of molded plastic print wheels
Tema Archiv | 1991|measurements are used for determining the detail of defects. ... -
An improved phantom for quality control of laser scanner digitizers in PACS
Tema Archiv | 1991|Various quality control (QC) procedures may be used to evaluate image quality for picture archival and communications (PACS) systems. A ... -
Automated techniques for quality assurance of radiological image modalities
Tema Archiv | 1991|This paper will attempt to identify many of the important issues for quality assurance (QA) of radiological modalities. It is of course to ... -
Operational infrastructure for a clinical picture archiving and communication system (PACS)
Tema Archiv | 1991|manages filmless digital modality images. The following points of failure have been determined to be crucial: (1) acquisition, (2) workstations ... -
Fiber optic biosensor: the situation of the European market
Tema Archiv | 1991|A market study is presented, concerning fiber optic biosensors which have been developed in Europe. The main aspects discussed in the study ... -
Correlations between time required for radiological diagnoses, readers' performance, display environments, and difficulty of cases
Tema Archiv | 1991|performance indices, display environments, and difficulty of cases. Board-certified radiologists interpreted at least 600 images each for the presence ... -
An algorithm for quality inspection of characters printed on chip resistors
Tema Archiv | 1991|An automatic quality inspection system for the characters printed on the chip resistors is presented and the efficacy of the proposed ... -
Use of the SMPTE test pattern in picture archiving and communication systems (PACS)
Tema Archiv | 1991|In 1985 the Society of Motion Picture and Television Engineers (SMPTE) published a Recommended Practice (RP-133) entitled Specifications ... -
Fraud involving OVDS and possible security measures
Tema Archiv | 1991|This paper will discuss the state of the art of optical variable devices (OVDs) as security elements, and the possibilities of fraud ... -
Non-diffractive optically variable security devices
Tema Archiv | 1991|At the past optical security conferences attention was focused on diffractive structures - e.g. holograms, embossed gratings and thin-film ... -
Partitioning - The payoff role in telecommunication system design
Tema Archiv | 1991|them to be partitioned into smaller more manageable subsystems. The physical design process needs to more explicitly characterize system ... -
Holographically protected printwork
Tema Archiv | 1991|In this paper several methods for making Holographically Protected Printwork (HPP) will be discussed. This article will refer to work of ...
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