SESAM Selection Checks
Screen a SESAM candidate by comparing modulation depth, nonsaturable loss, saturation fluence, and damage threshold with expected intracavity fluence.
Description
Screen a SESAM candidate by comparing modulation depth, nonsaturable loss, saturation fluence, and damage threshold with expected intracavity fluence.
SESAM Selection Checks: Screen a SESAM candidate by comparing modulation depth, nonsaturable loss, saturation fluence, and damage threshold with expected intracavity fluence.
When to use SESAM Selection Checks
Use this laser calculation or lookup for a first-pass optics, pulse, beam, gain-medium, diode, fiber, or safety comparison under explicitly stated wavelength and operating conditions.
- Modulation depth (%)
- Datasheet modulation depth ΔR.
- Nonsaturable loss (%)
- Datasheet nonsaturable loss.
- Saturation fluence (µJ/cm²)
- Datasheet saturation fluence at the operating wavelength.
- Intracavity fluence (µJ/cm²)
- Expected pulse fluence on the absorber.
- Damage threshold (µJ/cm²)
- Datasheet threshold under comparable pulse conditions.
How SESAM Selection Checks works
Screen a SESAM candidate by comparing modulation depth, nonsaturable loss, saturation fluence, and damage threshold with expected intracavity fluence. The tool evaluates the supplied inputs together and returns the named outputs below; it does not infer omitted operating conditions or change the units shown.1
- Saturation ratio
- Intracavity fluence divided by saturation fluence.
- Loss margin (%)
- Modulation depth minus nonsaturable loss.
- Reaches saturation
- Whether intracavity fluence reaches saturation fluence.
- Below damage threshold
- Whether intracavity fluence is below the stated threshold.
- Guidance
- Limits of this screening comparison.
Limitations and assumptions
- Laser behavior depends on wavelength, mode, coherence, pulse shape, beam quality, cavity and optical losses, material data, temperature, alignment, nonlinear effects, damage thresholds, and measurement definitions. Lookup values are not substitutes for current device data or laser-safety analysis.
- Use finite inputs in the displayed units and preserve more precision than the final presentation requires. Independently verify safety-critical, financial, compliance, or production decisions.
Alternative or Complementary approaches
Verify constants and limits with primary literature and manufacturer data, propagate tolerances, model the complete optical train, and apply the relevant laser safety standard.
References
-
Solid-state laser — Wikipedia contributors
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