Lumen per Square Meter Steradian to Watt per Square Centimeter Steradian (at 555 nm) Conversion
Convert between Lumen per Square Meter Steradian and Watt per Square Centimeter Steradian (at 555 nm) quickly and accurately.
How to Convert Lumen per Square Meter Steradian to Watt per Square Centimeter Steradian (at 555 nm)
Conversion Formula
Example
Convert 15 lm/(m²·sr) to W/(cm²·sr):
Unit Information
Learn about the luminance units you're converting between
Lumen per Square Meter Steradian
lm/(m²·sr)
Definition
The Lumen per Square Meter Steradian is a unit of luminance that explicitly shows the relationship between luminous flux, area, and solid angle. It is dimensionally equivalent to candela per square meter and provides insight into the geometric aspects of light measurement.
History/Origin
This unit was developed to emphasize the relationship between luminous flux, surface area, and solid angle in luminance measurements. It provides a more detailed understanding of how light is distributed and measured in three-dimensional space.
Current Use
Used in advanced photometry and lighting calculations where the relationship between flux, area, and solid angle is important. Common in research applications and detailed lighting analysis where understanding the geometric aspects of light distribution is crucial.
Multiplier
1
Offset
0
Watt per Square Centimeter Steradian (at 555 nm)
W/(cm²·sr)
Definition
The Watt per Square Centimeter Steradian at 555 nm is a radiometric unit of luminance that measures radiant power per unit area and solid angle at the peak sensitivity wavelength of the human eye. It is used for precise photometric calculations and laser applications.
History/Origin
This unit was developed for applications requiring precise conversion between radiometric and photometric quantities. The 555 nm wavelength corresponds to the peak sensitivity of the human eye, making it ideal for accurate photometric measurements and laser safety calculations.
Current Use
Used in laser safety, precision photometry, and applications requiring exact conversion between radiometric and photometric units. Essential for laser power measurements, optical system design, and safety calculations where precise luminance values are critical.
Multiplier
6830000
Offset
0
Lumen per Square Meter Steradian to Watt per Square Centimeter Steradian (at 555 nm) Conversion Table
| Lumen per Square Meter Steradian [lm/(m²·sr)] | Watt per Square Centimeter Steradian (at 555 nm) [W/(cm²·sr)] |
|---|---|
| 1 lm/(m²·sr) | 1E-7 W/(cm²·sr) |
| 10 lm/(m²·sr) | 0.000001 W/(cm²·sr) |
| 25 lm/(m²·sr) | 0.000004 W/(cm²·sr) |
| 50 lm/(m²·sr) | 0.000007 W/(cm²·sr) |
| 100 lm/(m²·sr) | 0.000015 W/(cm²·sr) |
| 0 lm/(m²·sr) | 0E+0 W/(cm²·sr) |
| -10 lm/(m²·sr) | -0.000001 W/(cm²·sr) |
| -40 lm/(m²·sr) | -0.000006 W/(cm²·sr) |
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