Location

Seattle, WA

Start Date

1-1-1996 12:00 AM

Description

The generation and detection of ultrasound with lasers has evolved to become a useful laboratory tool. An extensive compilation of laser ultrasonic technology and applications is available [1]. These laser ultrasonic techniques are complimentary to other methods such as piezoelectric transducers. Since they are non-contact and have very high resolution, these techniques provide otherwise unavailable NDE options. They are unfortunately relatively inefficient in their signal to noise ratio (SNR) in comparison to other NDE techniques limiting their value to potential applications where traditional NDE methods are unable to perform satisfactory. The work presented here demonstrates progress in overcoming some of the problems which have prevented laser ultrasonics from becoming useful in industrial environments.

Volume

15A

Chapter

Chapter 2: Emerging Inspection Technologies

Section

Laser Ultrasonics

Pages

593-600

DOI

10.1007/978-1-4613-0383-1_76

Language

en

File Format

application/pdf

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Jan 1st, 12:00 AM

Narrow Band Laser Ultrasonic NDE

Seattle, WA

The generation and detection of ultrasound with lasers has evolved to become a useful laboratory tool. An extensive compilation of laser ultrasonic technology and applications is available [1]. These laser ultrasonic techniques are complimentary to other methods such as piezoelectric transducers. Since they are non-contact and have very high resolution, these techniques provide otherwise unavailable NDE options. They are unfortunately relatively inefficient in their signal to noise ratio (SNR) in comparison to other NDE techniques limiting their value to potential applications where traditional NDE methods are unable to perform satisfactory. The work presented here demonstrates progress in overcoming some of the problems which have prevented laser ultrasonics from becoming useful in industrial environments.