The R-30990 Red HeNe Laser generates a randomly polarized output of 5.0 mW (minimum) at 633 nm. Longitudinal mode frequency is approximately 441 MHz. Utilizing enhanced designs and superior optical components these HeNe lasers deliver unsurpassed operational stability and lifetimes. The mirror quality and performances are optimized to result in the highest quality HeNe lasers available in the market. The red HeNe laser product family offers TEM00 mode at 633 nm. These high-performance lasers are supported by a one-year warranty and are available off-the-shelf. CE compliant, Class 3B.The power supply is included.