A new design of a bright cascaded arc light source : measurements and simulations

R.A.B. Zijlmans, D.C. Schram, R.A.H. Engeln

Onderzoeksoutput: Bijdrage aan tijdschriftTijdschriftartikelAcademicpeer review

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Profiling the arc channel of a cascaded arc into an hourglass-like shape results in an extremely high light output intensity (3.5 * 1012 Wm-2 m-1 sr-1 in the near-IR) at an input power of 2.2 kW, a good stability (better than 5 * 10-4) and a small solid angle of the emitted light beam (W = 0.015 sr). These optical properties are advantageous for spectroscopic applications that require a high light intensity over a broad wavelength range in a small solid angle. The abs. light output is measured and is compared with a fast and flexible modeling scheme. These simulations are used to verify the arc performance and to guide arc design. The calcd. emitted radiance at moderate arc input power agrees with the expts. within 30% for moderate input power.
Originele taal-2Engels
Pagina's (van-tot)2055-2064
TijdschriftJournal of Physics D: Applied Physics
Volume40
Nummer van het tijdschrift7
DOI's
StatusGepubliceerd - 2007

Vingerafdruk

Light sources
light sources
arcs
simulation
High intensity light
output
radiance
Optical properties
light beams
luminous intensity
Wavelength
optical properties
wavelengths

Citeer dit

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A new design of a bright cascaded arc light source : measurements and simulations. / Zijlmans, R.A.B.; Schram, D.C.; Engeln, R.A.H.

In: Journal of Physics D: Applied Physics, Vol. 40, Nr. 7, 2007, blz. 2055-2064.

Onderzoeksoutput: Bijdrage aan tijdschriftTijdschriftartikelAcademicpeer review

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AU - Engeln, R.A.H.

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AB - Profiling the arc channel of a cascaded arc into an hourglass-like shape results in an extremely high light output intensity (3.5 * 1012 Wm-2 m-1 sr-1 in the near-IR) at an input power of 2.2 kW, a good stability (better than 5 * 10-4) and a small solid angle of the emitted light beam (W = 0.015 sr). These optical properties are advantageous for spectroscopic applications that require a high light intensity over a broad wavelength range in a small solid angle. The abs. light output is measured and is compared with a fast and flexible modeling scheme. These simulations are used to verify the arc performance and to guide arc design. The calcd. emitted radiance at moderate arc input power agrees with the expts. within 30% for moderate input power.

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