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Power stability, linewidth, beam quality

MLL-III-905-SM905 nm near-infrared CW laser

905 nm

The MLL-III-905-SM is a 905 nm continuous-wave direct diode laser. Electrical current creates optical gain in a semiconductor junction, and the diode generates the laser light directly. Optical feedback selects the oscillating modes, while drive current and junction temperature affect output power and wavelength. 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-III-905-SM

16 specification rows

Output / average power1~50 mW
Beam / notesLaser
Operating modeCW
Power stability (rms, 4 hours ± 3°C)<2%, <1%, <0.5%
Transverse modeMultimode
Noise of amplitude (rms, 20Hz-20MHz)<1%, <0.5%
Beam divergence, full angle (mrad)<3.0
Warm-up time (minutes)<5
Cooled methodConduction
Operating temperature (°C)10-35
Power supply (100-240VAC)PSU-III-FDA/PSU-III-LED/PSU-A-D/PSU-III-OEM
Expected lifetime (hours)>10000
Central wavelength (nm)905±10
Beam diameter at the aperture (mm)~5×8
Beam height from base plate (mm)24.8
Modulation optionDC-1kHz, 1kHz-10kHz, 10kHz-30kHz, 30kHz-100kHz optional; TTL and Analog optional

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Model selection

Nearby series comparison

Compare MLL-III-905-SM with the closest available models in the CW Lasers family.

Selection parameterMLL-III-905-SM (current)TEM-LN-905MLL-III-905L
Wavelength905 nm905 nm905 nm
Optical power / pulse energy1~50 mW1~60 mW1~70 mW
Operating mode / pulse widthCWCWCW
Beam qualityMultimode<1.1Near TEM00