Absorption calorimetry and laser induced damage threshold measurements of AR-coated ZnSe and metal mirrors at 10.6 μm

Publikation: Konferenzbeitrag › Paper › Forschung › Peer-Review

Autoren

  • Manfred Rahe
  • E. Oertel
  • L. Reinhardt
  • Detlev Ristau
  • Herbert Welling

Externe Organisationen

  • Laser Zentrum Hannover e.V. (LZH)
Forschungs-netzwerk anzeigen

Details

OriginalspracheEnglisch
Seiten113-126
Seitenumfang14
PublikationsstatusVeröffentlicht - 1991
Extern publiziertJa
Veranstaltung22nd Annual Boulder Damage Symposium on Laser-Induced Damage in Optical Materials: 1990 - Boulder, CO, USA
Dauer: 24 Okt. 1990 → 26 Okt. 1990

Konferenz

Konferenz22nd Annual Boulder Damage Symposium on Laser-Induced Damage in Optical Materials: 1990
OrtBoulder, CO, USA
Zeitraum24 Okt. 1990 → 26 Okt. 1990

Abstract

Absorption and pulsed laser induced damage of antireflective coatings on ZnSe and high reflecting metal mirrors were studied. As deposition materials for the AR-coatings germanium, zinc sulfide, zinc selenide, cadmium selenide and different fluorides were selected. For protecting and enhancing of metal mirrors zinc sulfide were used in conjunction with ThF4 as low index material. The films were deposited by thermal evaporation. Absorption measurements were performed with the aid of a laser calorimeter and a cw CO2-laser. Single-shot and multiple-shot (prf, 3 Hz) damage thresholds were measured by a computer controlled test facility using 100 ns pulses from a TEA CO2-laser. The gaussian beam was focussed down to a diameter of 1.4 mm on the sample surface. A scatter measurement system and an on-line video microscope were applied for damage detection. Damage morphology was investigated by Nomarski- and scanning electron microscopy.

ASJC Scopus Sachgebiete

Zitieren

Absorption calorimetry and laser induced damage threshold measurements of AR-coated ZnSe and metal mirrors at 10.6 μm. / Rahe, Manfred; Oertel, E.; Reinhardt, L. et al.
1991. 113-126 Beitrag in 22nd Annual Boulder Damage Symposium on Laser-Induced Damage in Optical Materials: 1990, Boulder, CO, USA.

Publikation: Konferenzbeitrag › Paper › Forschung › Peer-Review

Rahe, M, Oertel, E, Reinhardt, L, Ristau, D & Welling, H 1991, 'Absorption calorimetry and laser induced damage threshold measurements of AR-coated ZnSe and metal mirrors at 10.6 μm', Beitrag in 22nd Annual Boulder Damage Symposium on Laser-Induced Damage in Optical Materials: 1990, Boulder, CO, USA, 24 Okt. 1990 - 26 Okt. 1990 S. 113-126. https://doi.org/10.1520/stp23619s
Rahe, M., Oertel, E., Reinhardt, L., Ristau, D., & Welling, H. (1991). Absorption calorimetry and laser induced damage threshold measurements of AR-coated ZnSe and metal mirrors at 10.6 μm. 113-126. Beitrag in 22nd Annual Boulder Damage Symposium on Laser-Induced Damage in Optical Materials: 1990, Boulder, CO, USA. https://doi.org/10.1520/stp23619s
Rahe M, Oertel E, Reinhardt L, Ristau D, Welling H. Absorption calorimetry and laser induced damage threshold measurements of AR-coated ZnSe and metal mirrors at 10.6 μm. 1991. Beitrag in 22nd Annual Boulder Damage Symposium on Laser-Induced Damage in Optical Materials: 1990, Boulder, CO, USA. doi: 10.1520/stp23619s
Rahe, Manfred ; Oertel, E. ; Reinhardt, L. et al. / Absorption calorimetry and laser induced damage threshold measurements of AR-coated ZnSe and metal mirrors at 10.6 μm. Beitrag in 22nd Annual Boulder Damage Symposium on Laser-Induced Damage in Optical Materials: 1990, Boulder, CO, USA.14 S.
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abstract = "Absorption and pulsed laser induced damage of antireflective coatings on ZnSe and high reflecting metal mirrors were studied. As deposition materials for the AR-coatings germanium, zinc sulfide, zinc selenide, cadmium selenide and different fluorides were selected. For protecting and enhancing of metal mirrors zinc sulfide were used in conjunction with ThF4 as low index material. The films were deposited by thermal evaporation. Absorption measurements were performed with the aid of a laser calorimeter and a cw CO2-laser. Single-shot and multiple-shot (prf, 3 Hz) damage thresholds were measured by a computer controlled test facility using 100 ns pulses from a TEA CO2-laser. The gaussian beam was focussed down to a diameter of 1.4 mm on the sample surface. A scatter measurement system and an on-line video microscope were applied for damage detection. Damage morphology was investigated by Nomarski- and scanning electron microscopy.",
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AU - Rahe, Manfred

AU - Oertel, E.

AU - Reinhardt, L.

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AU - Welling, Herbert

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