A new FEL-type quartz-halogen lamp as an improved standard of spectral irradiance

Metzdorf, J.; Sperling, Armin; Winter, S.; Raatz, K.-H.; ller, W M

doi:10.1088/0026-1394/35/4/35

Cited by 19 publications

(22 citation statements)

References 3 publications

(5 reference statements)

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“…Experience showed that the total lifetime of FEL-type lamps can be extended to 500 h if the lamps are aged carefully, are prevented from shock and vibration and are not operated over allowed nominal power [17,18]. Three FEL-type lamps were chosen for use as irradiance standards.…”

Section: Preparations and Testing Of The Lampsmentioning

confidence: 99%

Realization of a filter radiometer-based irradiance scale with high accuracy in the region from 286 nm to 901 nm

Durak¹,

Samadov²

2004

Metrologia

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A technique is introduced for realizing spectral irradiance in the range between 286 nm and 901 nm. The scale is based on a temperature-controlled filter radiometer constructed from a three-element silicon trap detector, band-pass filters and a precision aperture. Seasoned FEL-type quartz halogen lamps are used as reference standards. In this method, direct traceability of the radiometer to the cryogenic radiometer gives an important advantage in the visible and near-infrared regions. Another advantage of this system is the procedure followed for measurement of the distance between the lamp filament and aperture surface of the filter radiometer. The expanded uncertainty (k = 2) of the spectral irradiance measurement is between 2.3% and 1.5% in the UV region, while the uncertainty is of the order of 0.6% above 400 nm.

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Section: Preparations and Testing Of The Lampsmentioning

confidence: 99%

Realization of a filter radiometer-based irradiance scale with high accuracy in the region from 286 nm to 901 nm

Durak¹,

Samadov²

2004

Metrologia

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“…As a result, appropriate working standards in terms of achievable irradiance levels, spectral power distribution and handling simplicity are needed. Typical transfer standards presently used for the dissemination of the spectral irradiance unit are based either on FEL-type quartz-halogen lamps (250 nm to 2500 nm) or on deuterium lamps (200 nm to 400 nm) [1,2]. In fact, such transfer standards are mostly not able to fulfil all of the above-mentioned conditions in the UV region.…”

Section: Introductionmentioning

confidence: 99%

Development of a new transfer standard for high UV irradiances

Nevas

Sperfeld

2010

MAPAN

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Source-based radiometry requires reliable transfer standards which are easy to handle. For low irradiances in the UV spectral range, 30 W deuterium lamps are commonly used. However, for the growing field of high UV irradiance applications, new high power standards are required. Here we report on a Xe-Hg lamp system which has been characterised and improved to match the high requirements of a working standard. For this purpose, several parameters of the system such as lamp stability, re-ignition reproducibility, irradiance uniformity and usability have been investigated. Components for the customised light guide-based output optics have been selected with the help of extensive characterisations. The resulting lamp system can be used for a high-grade instrument calibration at high UV irradiance levels.

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“…Realization of the spectral irradiance unit is based on the comparison method [2], where the value of spectral responsivity is transferred to filter radiometers and a spectroradiometer (used as a wavelength tuneable-filter radiometer). A filter radiometer is then used for spectral irradiance unit realization, whereas a spectroradiometer is used for derivation of the relative spectral irradiance of the FEL 1000 lamp [3].…”

Section: Introductionmentioning

confidence: 99%

Developement of the method for realization of spectral irradiance scale featuring system of spectral comparisons

Skerovic¹,

Zarubica²,

Zeković

et al. 2010

J. Inst.

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Realization of the scale of spectral responsivity of the detectors in the Directorate of Measures and Precious Metals (DMDM) is based on silicon detectors traceable to LNE-INM. In order to realize the unit of spectral irradiance in the laboratory for photometry and radiometry of the Bureau of Measures and Precious Metals, the new method based on the calibration of the spectroradiometer by comparison with standard detector has been established. The development of the method included realization of the System of Spectral Comparisons (SSC), together with the detector spectral responsivity calibrations by means of a primary spectrophotometric system. The linearity testing and stray light analysis were preformed to characterize the spectroradiometer. Measurement of aperture diameter and calibration of transimpedance amplifier were part of the overall experiment. In this paper, the developed method is presented and measurement results with the associated measurement uncertainty budget are shown.

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A new FEL-type quartz-halogen lamp as an improved standard of spectral irradiance

Cited by 19 publications

References 3 publications

Realization of a filter radiometer-based irradiance scale with high accuracy in the region from 286 nm to 901 nm

Realization of a filter radiometer-based irradiance scale with high accuracy in the region from 286 nm to 901 nm

Development of a new transfer standard for high UV irradiances

Developement of the method for realization of spectral irradiance scale featuring system of spectral comparisons

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