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Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Editor: Alan E. Willner
  • Vol. 34, Iss. 2 — Jan. 15, 2009
  • pp: 193–195

Black optical coating for high-power laser measurements from carbon nanotubes and silicate

Christopher L. Cromer, Katherine E. Hurst, Xiaoyu Li, and John H. Lehman  »View Author Affiliations


Optics Letters, Vol. 34, Issue 2, pp. 193-195 (2009)
http://dx.doi.org/10.1364/OL.34.000193


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Abstract

We describe a coating based on potassium silicate, commonly known as water glass, and multiwall carbon nanotubes. The coating has a high absorbance (0.96 at 1064 nm in wavelength) and a laser damage threshold that is comparable to that of ceramic coatings presently used for commercial thermopiles for high-power laser measurements. In addition to a potassium silicate-based coating we discuss sodium silicate, lithium silicate, and a commercially available ceramic coating. We document the coating process and experiments that demonstrate that the laser damage threshold at 1064 nm is 15 kW cm 2 .

OCIS Codes
(040.0040) Detectors : Detectors
(120.3940) Instrumentation, measurement, and metrology : Metrology
(160.1890) Materials : Detector materials
(310.1210) Thin films : Antireflection coatings
(310.3915) Thin films : Metallic, opaque, and absorbing coatings
(160.4236) Materials : Nanomaterials

ToC Category:
Instrumentation, Measurement, and Metrology

History
Original Manuscript: October 1, 2008
Manuscript Accepted: November 15, 2008
Published: January 14, 2009

Citation
Christopher L. Cromer, Katherine E. Hurst, Xiaoyu Li, and John H. Lehman, "Black optical coating for high-power laser measurements from carbon nanotubes and silicate," Opt. Lett. 34, 193-195 (2009)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-34-2-193


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References

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