Measurement
MDL-F-444: Measurement benefits from a stable, focusable source. 444 nm emission fixes the compatible coatings and detector response, while the listed beam characteristic (Multimode) informs waist size and propagation.
SLM, narrow linewidth, coherence
MDL-F-444444 nm violet single-frequency laser
444 nmMDL-F-444 is a 444 nm Single-Frequency laser. Used for measurement, communication, spectrum analysis. Narrow Linewidth Violet Blue Laser. Key specifications: output / average power 3~4.5 W, operating mode CW, transverse mode Multimode. View specifications, datasheet and enquiry options from Precisometer.
Specifications
MDL-F-444
16 specification rows
| Output / average power | 3~4.5 W |
|---|---|
| Beam / notes | Narrow Linewidth Violet Blue Laser |
| Operating mode | CW |
| Transverse mode | Multimode |
| Beam divergence, full angle (mrad) | 1.4×0.2 |
| Warm-up time (minutes) | <5 |
| Cooled method | Air cooled |
| Operating temperature (℃) | 10-35 |
| Power supply (100-240VAC) | PSU-H-FDA/PSU-H-LED |
| Expected lifetime (hours) | >10000 |
| Central wavelength (nm) | 444±2 |
| Output power (mW) | 3000-4500 |
| Power stability (rms, 4 hours ± 3°C) | <2%, <1%, <0.5% |
| Beam diameter at the aperture (1/e2, mm) | ~3.5×3.5 |
| Beam height from base plate (mm) | 45 |
| Modulation option | DC-1kHz, 1kHz-10kHz, 10kHz-30kHz optional; TTL and Analog optional |
Application context
Why this design is used
Applications named on this model’s datasheet, expanded with the model’s optical specifications.
Communication
MDL-F-444: 444 nm emission must sit inside the fiber-component passband used for Communication; connector polish, fiber mode, linewidth and back-reflection tolerance should be specified as one optical interface.
Spectrum analysis
MDL-F-444: 444 nm emission sets the excitation and detector-band choice for Spectrum analysis; linewidth and wavelength stability determine how cleanly weak spectral features can be separated from the laser line. The listed beam characteristic (Multimode) also controls focusing and collection geometry.
System integration
Integration and compatibility
Use these checks to connect MDL-F-444 to the surrounding optical, mechanical and control system. Every value shown is taken from this model's own specification record.
- Thermal management
- Cooled method: Air cooled · Operating temperature (℃): 10-35
- Provide the stated cooling method and keep the laser-head base thermally coupled; temperature drift moves wavelength, output power and beam pointing.
- Beam parameters at the output
- Transverse mode: Multimode · Beam divergence, full angle (mrad): 1.4×0.2
- Size the downstream optics from the stated beam diameter and divergence rather than from the aperture of the housing, and confirm the polarisation state before specifying isolators or polarising optics.
Technical FAQ
Integration questions for MDL-F-444
What cooling does the MDL-F-444 require?
Cooled method: Air cooled · Operating temperature (℃): 10-35. Provide the stated cooling method and keep the laser-head base thermally coupled; temperature drift moves wavelength, output power and beam pointing.
What beam does the MDL-F-444 deliver?
Transverse mode: Multimode · Beam divergence, full angle (mrad): 1.4×0.2. Size the downstream optics from the stated beam diameter and divergence rather than from the aperture of the housing, and confirm the polarisation state before specifying isolators or polarising optics.
Need this configured?
Share wavelength, operating mode, output power or pulse energy, linewidth or pulse width, delivery, control, and safety requirements and we will qualify the matching configuration and lead time.
Model selection
Nearby series comparison
Compare MDL-F-444 with the closest available models in the Single-Frequency Lasers family. Confirm option-dependent values on the final configuration before ordering.
| Selection parameter | MDL-F-444 (current) | MDL-E-444 | TUN-443~445 |
|---|---|---|---|
| Wavelength | 444 nm | 444 nm | 444 nm |
| Optical power / pulse energy | 3~4.5 W | 1~50 mW | 1~400 mW |
| Operating mode / pulse width | CW | CW | Confirm for this model |
| Beam quality | Multimode | Multimode | Confirm for this model |
Related single-frequency lasers
Compare the MDL-F-444 with nearby single-frequency lasers across the wavelength range.
