Watt per Square Centimeter Steradian (at 555 nm) to Lumen per Square Centimeter Steradian Conversion
Convert between Watt per Square Centimeter Steradian (at 555 nm) and Lumen per Square Centimeter Steradian quickly and accurately.
How to Convert Watt per Square Centimeter Steradian (at 555 nm) to Lumen per Square Centimeter Steradian
Conversion Formula
Example
Convert 15 W/(cm²·sr) to lm/(cm²·sr):
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
Lumen per Square Centimeter Steradian
lm/(cm²·sr)
Definition
The Lumen per Square Centimeter Steradian is a unit of luminance using square centimeters as the area unit. It is equivalent to 10,000 candela per square meter and is used for measuring high-luminance sources with more manageable numbers.
History/Origin
This unit was developed as a practical alternative to the square meter unit when dealing with high-luminance applications. It provides more convenient numbers for measuring bright light sources and is commonly used in display technology and laser applications.
Current Use
Frequently used in display technology, laser systems, and high-intensity lighting applications. Common in measuring LED displays, plasma screens, and other bright light sources where precise luminance control is essential for performance and safety.
Multiplier
10000
Offset
0
Watt per Square Centimeter Steradian (at 555 nm) to Lumen per Square Centimeter Steradian Conversion Table
| Watt per Square Centimeter Steradian (at 555 nm) [W/(cm²·sr)] | Lumen per Square Centimeter Steradian [lm/(cm²·sr)] |
|---|---|
| 1 W/(cm²·sr) | 683 lm/(cm²·sr) |
| 10 W/(cm²·sr) | 6830 lm/(cm²·sr) |
| 25 W/(cm²·sr) | 17075 lm/(cm²·sr) |
| 50 W/(cm²·sr) | 34150 lm/(cm²·sr) |
| 100 W/(cm²·sr) | 68300 lm/(cm²·sr) |
| 0 W/(cm²·sr) | 0E+0 lm/(cm²·sr) |
| -10 W/(cm²·sr) | -6830 lm/(cm²·sr) |
| -40 W/(cm²·sr) | -27320 lm/(cm²·sr) |
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