Physical Transformation AtlasPTA
Phenomenon · phenomenon:photothermal-effect

Photothermal absorption

Absorbed radiation thermalises within picoseconds into lattice heat. The simplest and highest-yield conversion of sunlight; it turns a radiative flux into a temperature difference.

Optics and photonicsfirst reported 1767also: solar heating, optical absorption to heat, sunlit surface, window heated by sunlight

Atlas record: 7 claims reference this phenomenon — 7 established.

Explorerelations · matrix context · routes · sources · cite

conditions: illumination required
7claims70enumerated routes2routes with complete-composition evidence24candidate routes not searched2cited sources

Relations

drives · 2
Incident radiation flux—drives→Photothermal absorptionestablished
  • an absorber with high solar absorptance; selective surfaces suppress re-emission
Photons—drives→Photothermal absorptionestablished
produces · 2
Photothermal absorption—produces→Temperature gradientestablished
Photothermal absorption—produces→Heat flowestablished
member of · 1
Photothermal absorption—member of→Photothermalestablished
implemented by · 1
Photothermal absorption—implemented by→Solar thermal collectorestablished
bounded by · 1
Photothermal absorption—bounded by→Landsberg limitestablished

Matrix context

D = disequilibrium row · C = coupling family column. A cell reads the state of the atlas for that pair.

Enumerated routes through this · 70 (showing 24)

Cited sources · 2

  1. [1]
    A. Bejan. Advanced Engineering Thermodynamics (4th ed.) (2016)
    Wiley · doi:10.1002/9781119245964 · crossref ✓ 2026-09-19 · record
  2. [2]
    P. T. Landsberg, G. Tonge. Thermodynamic energy conversion efficiencies (1980)
    Journal of Applied Physics 51, R1–R20 · doi:10.1063/1.328187 · crossref ✓ 2026-09-19 · record

Cite this entity

Physical Transformation Atlas (2026). entity phenomenon:photothermal-effect: Photothermal absorption. Dataset revision rbfbfcbb70e57 (hash of the canonical data). https://physical-transformation-atlas.wldud5192.workers.dev/phenomenon/photothermal-effect

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