Watt per Square Centimeter Steradian (at 555 nm) to Stilb Conversion
Convert between Watt per Square Centimeter Steradian (at 555 nm) and Stilb quickly and accurately.
How to Convert Watt per Square Centimeter Steradian (at 555 nm) to Stilb
Conversion Formula
Example
Convert 15 W/(cm²·sr) to sb:
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
Stilb
sb
Definition
The Stilb is a CGS unit of luminance, equal to 10,000 candela per square meter. It was part of the centimeter-gram-second system and is still used in some specialized applications, particularly in older scientific literature and certain technical contexts.
History/Origin
The stilb was originally defined in the CGS system as a unit of luminance, named after the Greek word for brightness. It was widely used in early photometry and lighting science before the adoption of SI units became standard in most applications.
Current Use
Still used in some specialized scientific applications, particularly in older technical specifications and certain branches of photometry. While largely replaced by SI units, it occasionally appears in historical contexts and specialized measurement systems.
Multiplier
10000
Offset
0
Watt per Square Centimeter Steradian (at 555 nm) to Stilb Conversion Table
| Watt per Square Centimeter Steradian (at 555 nm) [W/(cm²·sr)] | Stilb [sb] |
|---|---|
| 1 W/(cm²·sr) | 683 sb |
| 10 W/(cm²·sr) | 6830 sb |
| 25 W/(cm²·sr) | 17075 sb |
| 50 W/(cm²·sr) | 34150 sb |
| 100 W/(cm²·sr) | 68300 sb |
| 0 W/(cm²·sr) | 0E+0 sb |
| -10 W/(cm²·sr) | -6830 sb |
| -40 W/(cm²·sr) | -27320 sb |
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