Abstract
Since the invention and industrialization of incandescent lamps at the end of the 19th century electrical lighting has become a commodity in our daily life. Today, incoherent light sources are used for numerous application areas. Major improvements have been achieved over the past decades with respect to lamp efficiency (Fig. 10.1), lifetime and color properties.
Temporal development of the luminous efficacy of electrical light sources (LP = low pressure, HP = high pressure)
In the following chapters an overview of various lamp types and their properties is given. They are subdivided by light generation mechanism: thermal emission of radiation close to thermal equilibrium (incandescent lamps), atomic and molecular emission in gas discharge lamps, and emission from solid-state light sources (LEDs).
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Abbreviations
- CRI:
-
color rendering index
- EL:
-
electroluminescence
- ITO:
-
indium–tin oxide
- LED:
-
light-emitting diode
- LP:
-
linearly polarized
- OLED:
-
organic light-emitting device
- PCA:
-
translucent polycrystalline aluminum
- PMMA:
-
polymethylmethacrylate
- RGB:
-
red, green and blue
- TF:
-
thin film
- TIP:
-
truncated inverted pyramid
- UV:
-
ultraviolet
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Bertram, D., Born, M., Jüstel, T. (2012). Incoherent Light Sources. In: Träger, F. (eds) Springer Handbook of Lasers and Optics. Springer Handbooks. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-19409-2_10
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