Q-Switch Diffraction Efficiency
Calculate measured first-order acousto-optic diffraction efficiency.
Description
First-order diffraction efficiency compares measured diffracted power with incident power.
First-order diffraction efficiency compares measured diffracted power with incident power. The reported undiffracted value is the remainder.1
Calculate measured first-order acousto-optic diffraction efficiency.
When to use Q-Switch Diffraction Efficiency
Use this tool to calculate measured first-order acousto-optic diffraction efficiency.
Prepare the optical measurements, geometry, fitted coefficients or caller-selected thresholds requested. Confirm wavelength, radius/diameter, pulse-width, angle and unit conventions before running the calculation.
How to use Q-Switch Diffraction Efficiency and understand its results
- Prepare the optical measurements, geometry, fitted coefficients or caller-selected thresholds requested. Confirm wavelength, radius/diameter, pulse-width, angle and unit conventions before running the calculation.
- Enter incidentPowerWatts, firstOrderPowerWatts using the field table and calculation rules, then run the tool.
- Read firstOrderEfficiencyPercent, undiffractedPowerWatts. The explanation below defines the units, signs, ordering and any flags or placeholder values.
- If the tool reports an input issue, correct the values and run it again. Apply the stated assumptions when interpreting a successfully returned result.
| Input field | Meaning | Value type; see rules below | Requirement |
|---|---|---|---|
| incidentPowerWatts | Incident optical power (W) | number; minimum: 0 | Required |
| firstOrderPowerWatts | First-order optical power (W) | number; minimum: 0 | Required |
Enter positive incident power and first-order power from zero through incident. Return efficiency and remainder watts.
efficiency%=100firstOrder/incident; remainder=incident−firstOrder Units, indexing, boundary conditions and exceptional cases are defined in the calculation rules above.
| Output field | Meaning | Value type |
|---|---|---|
| firstOrderEfficiencyPercent | First-order efficiency (%) | number; minimum: 0; maximum: 100 |
| undiffractedPowerWatts | Other-order power (W) | number; minimum: 0 |
{
"input": {
"incidentPowerWatts": 10,
"firstOrderPowerWatts": 8
},
"output": {
"firstOrderEfficiencyPercent": 80,
"undiffractedPowerWatts": 2
}
}Limitations and assumptions
Absorption, other orders and scatter are grouped in the remainder; it is not a direct zero-order measurement.
Numeric inputs must be finite. Follow the calculation-specific rules for overflow, underflow and exceptional cases. Missing required fields, extra fields, wrong value types and violations of the calculation rules are input errors.
Alternative or Complementary methods
Use Pockels-Cell Drive: Calculate Pockels-cell retardation and ideal crossed-polarizer transmission. For a complementary task, use Q-Switch Peak Power: Calculate triangular-pulse peak power and pulse-train average power.
References
-
Q-Switch Diffraction Efficiency — tool.io
Similar or alternative tools
- Pockels-Cell Drive
Calculate Pockels-cell retardation and ideal crossed-polarizer transmission.
- Q-Switch Peak Power
Calculate triangular-pulse peak power and pulse-train average power.