Comparing LED Lighting To High-Pressure Sodium Lamps - Greenhouse Grower
The Low Pressure Sodium Lamp
🎈 Public Lab: Broadening
HPS Spectrum - Flagstaff Dark Skies Coalition
Hydrogen-Like Atoms:Sodium
The Switch from Low-Pressure Sodium to Light Emitting Diodes Does Not Affect Bat Activity at Street Lights | PLOS ONE
Evolution of the spectrum of a Low Pressure Sodium Lamp. | Download Scientific Diagram
The Low Pressure Sodium Lamp
Emission spectrum of a high pressure sodium lamp. | Download Scientific Diagram
Sodium-vapor lamp - Wikipedia
Sodium-vapor lamp - Wikipedia
Spectral calibration
Pressure and temperature induced red-shift of the sodium D-line during HMX deflagration | Communications Chemistry
Hydrogen-Like Atoms:Sodium
Spectra Expt
The Low Pressure Sodium Lamp
Low Pressure Sodium LPS lamps are more closely related to fluorescent than High Intensity Discharge lamps, since they have a low–pressure, low–intensity. - ppt download