R-on-1 Test

Non-standard LIDT test
for surface limited samples.

The R-on-1 LIDT test is a non-standard test. It provides information about LIDT of the surface limited samples (e.g. fibers, small crystals).

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Basics
Knowledge about destructive laser damage process is essential for any type of optics in use. In some cases, testing area of the optical component is too small or not available for a detailed analysis (the S-on-1 test). Then the R-on-1 test is used. During this test surface is divided into test sites (the amount of test sites are considerably less than in S-on-1 case). Each test site is irradiated with burst of pulses (e. g. 1000) at constant fluence. Starting from very low values, fluence is constantly increased step by step until damage is reached. The main idea is set to determine LIDT from one exposed site. Though up to 100 sites might be required due to statistical nature of laser damage phenomenon. Continuous laser interaction with material might also cause conditioning (accumulation or incubation) of fatigue effects, which distort LIDT estimation. Our service might help you to optimize R-on-1 procedure to fit your optics testing efficiently.

R-on-1_LIDARIS-01

Use this test to:

  • Test surface limited samples (if S-on-1 test is unavailable).
  • Relatively compare production processes or vendors.
  • Investigate conditioning (in terms of optical absorption or unknown type of defect reduction).

Be aware:
Continuous laser interaction with material might cause conditioning effect. Thus, R-on-1 LIDT can be overestimated if compared to S-on-1 results.

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