| Author(s): |
Christopher L. Cromer; Katie Hurst; Xiaoyu X. Li; John H. Lehman; |
| Title: |
Black optical coating for high-power laser measurements from carbon nanotubes and silicate |
| Published: |
January 15, 2009 |
| 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 greater than 10 kW/cm2. |
| Citation: |
Optics Letters |
| Volume: |
34 |
| Issue: |
2 |
| Pages: |
pp. 193 - 195 |
| Keywords: |
carbon nanotube; laser damage; potassium silicate; thermal detector; water glass |
| Research Areas: |
Advanced Materials |
| PDF version: |
 Click here to retrieve PDF version of paper (193KB) |
