Candela Steradian per Square Meter to Watt per Square Centimeter (at 555 nm) Conversion
Convert between Candela Steradian per Square Meter and Watt per Square Centimeter (at 555 nm) quickly and accurately.
How to Convert Candela Steradian per Square Meter to Watt per Square Centimeter (at 555 nm)
Conversion Formula
Example
Convert 15 cd·sr/m² to W/cm² (at 555 nm):
Unit Information
Learn about the illumination units you're converting between
Candela Steradian per Square Meter
cd·sr/m²
Definition
The Candela Steradian per Square Meter is a unit of illuminance that is dimensionally equivalent to the lux. It represents the luminous intensity per unit solid angle per unit area, providing an alternative way to express illuminance in terms of fundamental photometric quantities.
History/Origin
Derived from the fundamental definitions of luminous intensity and solid angle in the SI system. It provides a direct relationship between illuminance and the basic photometric quantities, emphasizing the geometric aspects of light measurement.
Current Use
Used in theoretical photometry and in calculations where the relationship between luminous intensity, solid angle, and area is emphasized. It provides a fundamental understanding of illuminance in terms of basic photometric principles.
Multiplier
1
Offset
0
Watt per Square Centimeter (at 555 nm)
W/cm² (at 555 nm)
Definition
The Watt per Square Centimeter (at 555 nm) is a unit of spectral irradiance that can be converted to illuminance at the peak sensitivity wavelength of the human eye. It represents the radiant power per unit area at 555 nm, weighted by the luminous efficacy of radiation.
History/Origin
Developed for converting between radiometric and photometric quantities at the peak sensitivity wavelength of human vision. It provides a bridge between physical light measurements and perceived brightness, using the luminous efficacy of 683 lumens per watt at 555 nm.
Current Use
Used in optical engineering, laser technology, and display characterization where the relationship between radiant power and perceived brightness is important. It allows for precise conversion from physical measurements to photometric quantities for monochromatic light sources.
Multiplier
6830000
Offset
0
Candela Steradian per Square Meter to Watt per Square Centimeter (at 555 nm) Conversion Table
| Candela Steradian per Square Meter [cd·sr/m²] | Watt per Square Centimeter (at 555 nm) [W/cm² (at 555 nm)] |
|---|---|
| 1 cd·sr/m² | 1E-7 W/cm² (at 555 nm) |
| 10 cd·sr/m² | 0.000001 W/cm² (at 555 nm) |
| 25 cd·sr/m² | 0.000004 W/cm² (at 555 nm) |
| 50 cd·sr/m² | 0.000007 W/cm² (at 555 nm) |
| 100 cd·sr/m² | 0.000015 W/cm² (at 555 nm) |
| 0 cd·sr/m² | 0E+0 W/cm² (at 555 nm) |
| -10 cd·sr/m² | -0.000001 W/cm² (at 555 nm) |
| -40 cd·sr/m² | -0.000006 W/cm² (at 555 nm) |
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