Millennia® eV


  • Industry leading power scalability from 5 W to 25 W
  • Exceptional value and low cost of ownership
  • Integrated laser head and power supply
  • Best-in-class power stability and beam quality

The new Millennia® eV from Spectra-Physics is the next generation Millennia, extending the highly successful product family of CW DPSS green lasers to unprecedented power levels and versatility. Millennia eV models are now available with 5 W, 10 W, 15 W, 20 W, and 25 W of CW power at 532 nm. All Millennia eV feature ultra-low optical noise, TEM00 beam quality and best-in-class power stability.

The new platform is based on Spectra-Physics’ It’s in the Box™ design, where the laser optical cavity, diode and control electronics are all integrated in a single, compact package, eliminating the need for an external power supply.

Millennia eV benefits from Spectra-Physics' extensive experience in the design of rugged industrial lasers. Millennia eV lasers utilize long life, highly reliable laser diodes. The result is a highly reliable laser, ensuring dependable, easy turnkey operation with exceptional value.

With its industry leading scalability from 5 W to 25 W average power and high reliability, Millennia eV is the next generation laser of choice for demanding scientific applications such as the pumping of high power ultrafast and CW Ti:Sapphire lasers and high power, high throughput industrial applications.

Millennia eV High Power CW DPSS Laser Video

Scientific Applications

Pumping CW and mode-locked Ti:Sapphire lasers
Pumping solid state and dye lasers

Industrial Applications

Laser doping of solar cells
Materials processing
Output Power 5 W, 10 W, 15 W 20 W, 25 W  
Wavelength 532 nm  
Spatial Mode3 TEM00  
Beam Quality (M2) <1.1  
Beam Diameter (1/e²) 2.3 mm ±10%  
Beam Divergence <0.5 mrad  
Polarization4 >100:1 vertical  
Power Stability5 ±1%  
Beam Pointing Stability6 ≤2 µrad/ °C  
Noise7 <0.04% rms  
Operating Voltage 100–240 VAC, 50/60 Hz  
Power Consumption <250 W (max) <350 W (max)  
Operating Temperature 64–95°F (18–35°C)  
Relative Humidity 8–85%, non-condensing  
Cooling Requirements Closed-loop chiller  
Dimensions 14.75 x 6.00 x 4.08 in (374.7 x 152.4 x 103.8 mm) 23.0 x 6.0 x 4.5 in (584.2 x 152.4 x 114.3 mm)  
Weight <15 lbs (<7 kg) <26 lbs (<12 kg)  

1. All performance characteristics guaranteed at specified output power
2. Due to our continuous product improvement program, specifications are subject to change without notice
3. Beam ellipticity <10%
4. Vertical polarization standard; horizontal polarization option available
5. Measured over 2-hour period, after a 30 minute warm-up
6. Measured at farfield x and y position, after a 30 minute warm-up
7. Measured over a 10 Hz to 0.1 GHz bandwidth at the specified output power
8. The Millennia eV is a Class IV – High-Power Laser, whose beam is, by definition, a safety and fire hazard. Take precautions to prevent exposure to direct and reflected beams. Diffuse as well as specular reflections can cause severe skin or eye damage.

Millennia eV (20–25 W) Dimensions

Millennia eV (5–15 W) Dimensions

It's in the Box™ — Millennia® eV™ Layout

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