NARROWBAND SPECTRA OF RED LEDs
Spectrographic analysis of the red LEDs in the TGE Electronics Backlit LED Keyboard; spectrometer's response narrowed to a range between 625nm and 675nm to pinpoint peak wavelength, which is 652.830nm.
Spectrographic analysis of the rear (red) LED in the P-38 Lightning R/C "Park Flyer" Airplane; spectrometer's response narrowed to a band between 650nm and 690nm to pinpoint peak wavelength, which is 666.951nm.
Spectrographic analysis of the red LEDs in the control panel of the Quickie® Pulse 6 Electric Wheelchair; spectrometer's response narrowed to a band between 605nm and 645nm to pinpoint peak wavelength, which is 628.120nm.
Spectrographic analysis of a Tandy TLR-147 red LED from the very early-1980s; spectrometer's response narrowed to a band between 660nm and 700nm to pinpoint peak wavelength, which is 680.774nm.
Spectrographic analysis of the red LEDs in the Galileo Thermometer; spectrometer's response narrowed to a band between 610nm and 660nm to pinpoint peak wavelength, which is 631.958nm.
Spectrographic analysis of a Hewlett-Packard HLMP-DD16 red LED circa. 1999; spectrometer's response narrowed to a band between 620nm and 660nm to pinpoint peak wavelength, which is 641.063nm.
Spectrographic analysis of the LED (safety wand mode) in the Life+Gear Glow Red Lightstick/Whistle; spectrometer's response narrowed to a band between 600nm and 650nm to pinpoint peak wavelength, which is exactly 630.00nm.
Spectrographic analysis of the red LEDs in the Flashing Bike Lights; spectrometer's response narrowed to a band between 610nm and 660nm to pinpoint peak wavelength, which is 637.323nm.
Spectrographic analysis of the LED in the Star Trek Type II Phaser Replica; spectrometer's response narrowed to a band between 640nm and 690nm to pinpoint peak wavelength, which is 662.770nm.
Spectrographic analysis of the (red) LED in the LumaRay FL12RX Flashlight; spectrometer's response narrowed to a band between 620nm and 670nm to pinpoint peak emission wavelength, which is 643.778nm.
Spectrographic analysis of the LED battery gauge on the Wicked Lasers "Krypton" Green DPSS Portable Laser; spectrometer's response narrowed to a band between 620nm and 670nm to pinpoint peak wavelength, which is 643.770nm.
Spectrographic analysis of the red LEDs in the SureFire K2 Kroma Flashlight; spectrometer's response narrowed to a band between 620nm and 670nm to pinpoint peak wavelength, which is 644.210nm.
Spectrographic analysis of the LED (red) in the Sauce Mini LightWand; spectrometer's response narrowed to a band between 610nm and 660nm to pinpoint peak wavelength, which is 636.720nm.
Spectrographic analysis of the red "power" LED in the LaCrosse Handheld AM/FM/WX Radio/Flashlight; spectrometer's response narrowed to a band between 660nm and 710nm to pinpoint peak emission, which is 683.220nm.
Spectrographic analysis of the red LED in theR2-D2™ Astromech Interactive Droid; spectrometer's range narrowed to a band between 630nm and 680nm to pinpoint LED's peak wavelength, which is 654.97nm.
Spectrographic analysis of the red "wheel lock" LED in the R2-D2™ Astromech Interactive Droid; spectrometer's range narrowed to a band between 630nm and 680nm to pinpoint LED's peak wavelength, which is 656.05nm.
Spectrographic analysis of one of the red LEDs in the Zircon Triscanner® Pro Studfinder; spectrometer's response narrowed to a band between 640nm and 690nm to pinpoint peak wavelength, which is 667.70nm.
Spectrographic analysis of the LED (the glowing "cherry") in the end of the Advantage E-Cigerette 2.0; spectrometer's response narrowed to a band between 620nm and 670nm to pinpoint peak wavelength, which is exactly 640.00nm.
Spectrographic analysis of a vintage red Hewlett-Packard 4-Die LED; spectrometer's response narrowed to a band between 630nm and 670nm to pinpoint peak wavelength, which is 642.10nm.
Spectrographic analysis of the one of the orangish-red LEDs in the side of the fuselage of the Syma S031G R/C Coaxial Helicopter; spectrometer's response narrowed to a band between 600nm and 650nm to pinpoint peak wavelength, which is 628.00nm.
Spectrographic analysis of the red "Power" indicator LED on the Tx (remote control) of the V-Max Hypersonic R/C Coaxial Helicopter.
Spectrographic analysis of the yellow-green "Charge cycle in progress" indicator LED on the Tx (remote control) of the V-Max Hypersonic R/C Coaxial Helicopter.
Spectrographic analysis of the yellow-green "Charge cycle in progress" indicator LED on the Tx (remote control) of the V-Max Hypersonic R/C Coaxial Helicopter; spectrometer's response narrowed to a band between 540nm and 590nm to pinpoint peak wavelength, which is 559.920nm.
Spectrographic analysis of one of the red "Acceleration" indicator LEDs on the Tx (remote control) of the V-Max Hypersonic R/C Coaxial Helicopter; spectrometer's response narrowed to a band between 600nm and 650nm to pinpoint peak wavelength, which is 630.40nm.
Spectrographic analysis of the red "Power" indicator LED on the Tx (remote control) of the V-Max Hypersonic R/C Coaxial Helicopter; spectrometer's response narrowed to a band between 620nm and 670nm to pinpoint peak wavelength, which is 639.450nm.
Spectrographic analysis of the LEDs (red) in the LED Flashing Glasses spectrometer's response narrowed to a band between 610nm and 640nm to pinpoint peak wavelength, which is 632.00nm.
Spectrographic analysis of the red LED in the Computer Case LED "UFO"; spectrometer's response narrowed to a band between 620nm and 660nm to pinpoint peak wavelength, which is ~639.20nm.
Spectrographic analysis of the red LED on the underside of the Star Trek: The Next Generation Medical Scanner Stage Prop; spectrometer's response narrowed to a band between 605nm and 650nm to pinpoint peak wavelength, which is ~628.65nm.
Spectrographic analysis of the LEDs in the PowerFlare; spectrometer's response narrowed to a band between 620nm and 650nm to pinpoint peak wavelength, which is exactly 638.00nm.
Spectrographic analysis of the LEDs in the 1x AA 12x Red LED Flashlight; spectrometer's response narrowed to a band between 625nm and 655nm to pinpoint peak wavelength, which is exactly 638.00nm.
Spectrographic analysis of the red (time projection) LED in the LCD Projection Clock w/LED Flashlight; spectrometer's response narrowed to a band between 615nm and 640nm to pinpoint peak wavelength, which is ~630.65nm.
Spectrographic analysis of the LEDs in the Halloween Skull Keychain; spectrometer's response narrowed to a band between 610nm and 660nm to pinpoint peak wavelength, which is ~630.45nm.
Spectrographic analysis of the red LEDs in the TGE Electronics Backlit LED Keyboard; spectrometer's response narrowed to a range between 625nm and 675nm to pinpoint peak wavelength, which is ~650.60nm.
Spectrographic analysis of the red LEDs in the Rigel Skylite Mini Flashlight; spectrometer's response narrowed to a band between 630nm and 680nm to pinpoint peak wavelength, which is ~656.70nm.
Spectrographic analysis of a Hewlett-Packard #HLMP-DD16 red LED from the late-1990s; spectrometer's response narrowed to a band between 600nm and 675nm to pinpoint peak wavelength; which is ~640.80nm.
Spectrographic analysis of a transparent, red-tinted 5mm red LED of unkbnown pedigree; spectrometer's response narrowed to a range of 595nm to 715nm.
Spectrographic analysis of a red 10mm LED from GlowPanel 45 plant light; spectrometer's response narrowed to 600nm to 650nm.
Peak wavelength appears to be 629.10nm.