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Power stability, linewidth, beam quality

MLL-K-457457 nm blue CW laser

457 nm

The MLL-K-457 is a 457 nm continuous-wave diode-pumped solid-state laser. Laser diodes optically pump a solid gain medium inside a resonator. The pump supplies the energy; repeated passes through the gain medium amplify the laser light. The TTL and analog modulation options control different things: TTL gates the beam on and off, while analog control varies its intensity. Modulation bandwidth sets how quickly the source can follow a changing command.

Specifications

MLL-K-457

22 specification rows

Beam / notesSeries: MLL-K-457
Operating modeCW
Output power (W)1-5
Power Stability (rms, 4 hours ± 3°C)<3%, <2%, (<1% optional)
Transverse modeTEM00
Spectral linewidth (nm)<0. 1
Noise of amplitude(rms, 20Hz-20MHz)<1%,(<0. 5% optional)
M2<1. 1
Beam divergence, full angle (mrad)~1.0
Pointing Stability Over Temperature (urad/°C)<20
Polarization ratio>50:1(>100:1 optional), Horizontal(Vertical optional)
Cooled methodWater cooled
Power supply (100-240VAC)PSU-W-LED
Expected lifetime (hours)>10000
Wavelength (nm)457±1
M²<1.1
Beam diameter at the aperture (1/e2, mm)<2.5
Warm-up time (minutes)<10
Pointing Stability(urad) (over 2 hours after warm-up and ±3°C)<50
Beam height from base plate (mm)68
Operating temperature (°C)10-35
Modulation optionDC-1kHz, 1kHz-10kHz, 10kHz-30kHz optional; TTL and Analog optional

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Model selection

Nearby series comparison

Compare MLL-K-457 with the closest available models in the CW Lasers family.

Selection parameterMLL-K-457 (current)MSL-R-457Low Noise
Wavelength457 nm457 nm457 nm
Optical power / pulse energy1-5Water cooled350-1000 mW
Operating mode / pulse widthCWCW—
Beam quality<1.1<1.2—