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WikiCards · Card list · Science cards · Helium–neon laser
Uncommon card · Science
Helium–neon laser, an Uncommon card
A helium–neon laser or He–Ne laser is a type of gas laser whose high energetic gain medium consists of a mixture of helium and neon at a total pressure of approximately 1 Torr inside a small electrical discharge.
- Rarity
- Uncommon
- Domain
- Science
- ATK
- 60
- DEF
- 40
- Power
- 100
- Wikipedia reads a year
- 31,000
Power 100 (ATK + DEF): stronger than 40 % of WikiCards cards.
The facts on the card
The card carries these facts from its Wikipedia article.
- The best-known and most widely used He-Ne laser operates at a center wavelength of 632.81646 nm, 632.99138 nm, and frequency 473.6122 THz, in the red part of the visible spectrum.
- Because of the mode structure of the laser cavity, the instantaneous output of a laser can be shifted by up to 500 MHz in either direction from the center.
Why it is Uncommon
Rarity in WikiCards follows a year of Wikipedia page views: the most read articles become Epic and Legendary cards. The Helium–neon laser article was read about 31,000 times in a year. ATK comes from the length of the article and DEF from its quality, so this card hits with 60 and blocks with 40: each hit it takes is cut by 16 %.
How to get Helium–neon laser
Open packs. Each pack holds five cards drawn from real Wikipedia articles, the rarest last, and the fifth card is always Rare or better. The odds are shown in the game. A free pack arrives every hour and two can wait, and the Coins you win in duels buy more packs.
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- Carlos MiguelUncommon · Society · ATK 57 DEF 43
- Julius PopperUncommon · History · ATK 59 DEF 41
- Melvyn OngUncommon · History · ATK 61 DEF 39
- Murata ManufacturingUncommon · Society · ATK 56 DEF 44
Card lists
- Wikipedia quizNew questions every day
- All cards from A to ZEvery card, by name
- Science cards
- Legendary cards
- Tier listS and A tiers by power (ATK + DEF)
Credits
Text : Wikipedia, Helium–neon laser (revision), CC BY-SA 4.0. Photo : Tommy Markstein, CC BY-SA 3.0, Wikimedia Commons.
