English: Optical and near-IR transmittance of a ca. 1 cm thick ruby crystal. Measured on an automatic Shimadzu spectrometer. Note the two broad blue and green absorption bands and one narrow absorption band on the wavelength of 694 nm, which is the wavelength of the ruby laser.
လိက်တအ်ဂှ် သၠးကဵုလဝ် အခေါင် သွက်ဂွံ စၠောအ်ကပ်ပဳ၊ ပရး ကီု သီုကဵု ပလေဝ်ပခိုဟ်ပတိုန် အတိုင်သၞောတ်ဝ် GNU Free Documentation License, တုဲ မူ ၁.၂ ဟွံသေင်မ္ဂး မူတြေံနူဂှ် မတြးပတိတ် နကဵု သၞောတ်ဝ်လာင်ဇြေန် Free Software Foundation; with no Invariant Sections, no Front-Cover Texts, and no Back-Cover Texts. A copy of the license is included in the section entitled GNU Free Documentation License.http://www.gnu.org/copyleft/fdl.htmlGFDLGNU Free Documentation Licensetruetrue
{{Information |Description=Optical and near-IR transmittance of a ca. 1 cm thick ruby crystal. Measured on the Shimadzu spectrometer. Note the two broad UV and blue absorption bands and one narrow absorption band on the wavelenght of 694 nm, which is the