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Peter Sperfeld
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SOLAR/SOLSPEC: Scientific objectives, instrument performance and its absolute calibration using a blackbody as primary standard source
G Thuillier, T Foujols, D Bolsée, D Gillotay, M Hersé, W Peetermans, ...
Solar Physics 257 (1), 185-213, 2009
742009
Spectral-irradiance scale based on radiometric black-body temperature measurements
P Sperfeld, KH Raatz, B Nawo, W Möller, J Metzdorf
Metrologia 32 (6), 435-439, 1995
661995
Investigation of high-temperature black body BB3200
P Sperfeld, J Metzdorf, NJ Harrison, NP Fox, BB Khlevnoy, ...
Metrologia 35 (4), 419, 1998
531998
Direct traceability of the portable QASUME irradiance scale to the primary irradiance standard of the PTB
J Gröbner, P Sperfeld
Metrologia 42 (2), 134, 2005
482005
Improvement and extension of the black-body-based spectral irradiance scale
P Sperfeld, J Metzdorf, SG Yousef, KD Stock, W Möller
Metrologia 35 (4), 267, 1998
441998
Highly reliable silicon carbide photodiodes for visible-blind ultraviolet detector applications
D Prasai, W John, L Weixelbaum, O Krüger, G Wagner, P Sperfeld, ...
Journal of Materials Research 28 (1), 33-37, 2013
432013
Traceability of solar UV measurements using the Qasume reference spectroradiometer
G Hülsen, J Gröbner, S Nevas, P Sperfeld, L Egli, G Porrovecchio, M Smid
Applied Optics 55 (26), 7265-7275, 2016
302016
Accurate Determination of the TOA Solar Spectral NIR Irradiance Using a Primary Standard Source and Bouguer-Langley Technique
D Bolsée, N Pereira, W Decuyper, D Gillotay, H Yu, P Sperfeld, S Pape, ...
Solar Physics, 2014
302014
Measurement and calculation of the emissivity of a high-temperature black body
SG Yousef, P Sperfeld, J Metzdorf
Metrologia 37 (5), 365, 2000
292000
Characterization and use of deuterium lamps as transfer standards of spectral irradiance
P Sperfeld, KD Stock, KH Raatz, B Nawo, J Metzdorf
Metrologia 40 (1), S111, 2003
272003
The high-resolution extraterrestrial solar spectrum (QASUMEFTS) determined from ground-based solar irradiance measurements
J Gröbner, I Kröger, L Egli, G Hülsen, S Riechelmann, P Sperfeld
Atmospheric Measurement Techniques 10 (9), 3375-3383, 2017
262017
Intercomparison of radiation temperature measurements over the temperature range from 1600 K to 3300 K
BB Khlevnoy, NJ Harrison, LJ Rogers, DF Pollard, NP Fox, P Sperfeld, ...
Metrologia 40 (1), S39, 2003
212003
International comparison of radiation-temperature measurements with filtered detectors over the temperature range 1380 K to 3100 K
NJ Harrison, NP Fox, P Sperfeld, J Metzdorf, BB Khlevnoy, ...
Metrologia 35 (4), 283, 1998
211998
Providing radiometric traceability for the calibration home base of DLR by PTB
DR Taubert, J Hollandt, P Sperfeld, S Pape, A Höpe, KO Hauer, P Gege, ...
AIP Conference Proceedings 1531 (1), 376-379, 2013
202013
The use of self-consistent calibrations to recover absorption bands in the black-body spectrum
P Sperfeld, SG Yousef, J Metzdorf, B Nawo, W Möller
Metrologia 37 (5), 373, 2000
182000
Performance limitations of carbon-cavity blackbodies due to absorption bands at the highest temperatures
P Sperfeld, S Pape, B Khlevnoy, A Burdakin
Metrologia 46 (4), S170, 2009
172009
Detector-stabilized FEL lamps as transfer standards in an international comparison of spectral irradiance
KD Stock, KH Raatz, P Sperfeld, J Metzdorf, T Kübarsepp, P Kärhä, ...
Metrologia 37 (5), 441, 2000
172000
Thermodynamic temperature measurements of the melting curves of RE-C, TIC-C And ZRC-C eutectic irradiance mode fixed-point cells
J Hartmann, K Anhalt, P Sperfeld, J Hollandt, M Sakharov, B Khlevnoy, ...
Proc. TEMPMEKO’04 1, 189-194, 2005
152005
NIST-PTB measurements of the radiometric temperatures of a high-temperature black body using filter radiometers
HW Yoon, P Sperfeld, SG Yousef, J Metzdorf
Metrologia 37 (5), 377, 2000
152000
Final report on the CIPM key comparison CCPR-K1. b: Spectral irradiance 200 nm to 350 nm
P Sperfeld
Metrologia 45 (1A), 02002, 2008
13*2008
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Articles 1–20