| 31. | For wavelengths in the near infrared and longer, the penetration depth varies from a metre to a few micrometres.
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| 32. | The absorption of the cyan dye extends into the near infrared region, making this layer opaque to infrared radiation.
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| 33. | The IVCT band is usually observed in the visible or near infrared region of the spectrum and is broad.
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| 34. | It shows almost no absorption features in the near infrared, which may indicate an iron or enstatite chondrite surface composition.
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| 35. | In the near infrared, this corresponds to a wavelength separation between pump light and laser-output light of about 100 nm.
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| 36. | One example is " lidar ", which uses ultraviolet, visible, or near infrared light from lasers rather than radio waves.
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| 37. | Nanoshells can be varied across a broad range of the light spectrum that spans the visible and near infrared regions.
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| 38. | For astrophotography, many photogenic targets ( such as emission nebulae ) are bright in the far red and near infrared.
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| 39. | Later work involved solar spectroscopy in the near infrared and participation in a solar flare patrol program in the 1950s.
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| 40. | Many optical telescopes, such as those at Keck Observatory, operate effectively in the near infrared as well as at visible wavelengths.
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