Watt per Square Centimeter Steradian (at 555 nm) to Lambert Conversion
Convert between Watt per Square Centimeter Steradian (at 555 nm) and Lambert quickly and accurately.
How to Convert Watt per Square Centimeter Steradian (at 555 nm) to Lambert
Conversion Formula
Example
Convert 15 W/(cm²·sr) to L:
Unit Information
Learn about the luminance units you're converting between
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
Lambert
L
Definition
The Lambert is a non-SI unit of luminance named after Johann Heinrich Lambert, equal to 3183.0988618379 candela per square meter. It is used in some specialized applications and provides an alternative way to express luminance values in certain technical contexts.
History/Origin
Named after the Swiss mathematician and physicist Johann Heinrich Lambert, this unit was developed as part of early photometric systems. It has historical significance in the development of photometry and is still used in some specialized applications and older technical literature.
Current Use
Used in some specialized photometric applications and historical contexts. Occasionally found in older technical specifications and certain branches of lighting science where traditional units are still preferred or required for compatibility with existing systems.
Multiplier
3183.099
Offset
0
Watt per Square Centimeter Steradian (at 555 nm) to Lambert Conversion Table
| Watt per Square Centimeter Steradian (at 555 nm) [W/(cm²·sr)] | Lambert [L] |
|---|---|
| 1 W/(cm²·sr) | 2145.707782 L |
| 10 W/(cm²·sr) | 21457.077824 L |
| 25 W/(cm²·sr) | 53642.69456 L |
| 50 W/(cm²·sr) | 107285.38912 L |
| 100 W/(cm²·sr) | 214570.77824 L |
| 0 W/(cm²·sr) | 0E+0 L |
| -10 W/(cm²·sr) | -21457.077824 L |
| -40 W/(cm²·sr) | -85828.311296 L |
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