Scientific research
TUN-6 34~643: 637 nm emission determines compatible optics, coatings and detectors for Scientific research. The catalogued beam parameter (Near TEM00) helps predict how the source will focus and propagate through the instrument.
Power stability, linewidth, beam quality
TUN-6 34~643637 nm red tunable CW laser
637 nmTUN-6 34~643 is a 637 nm CW laser. Used for scientific research, teaching, holographic imaging, raman. Key specifications: output / average power Wavelength tunable, wavelength range of roughly tuning (nm) 634-643, operating mode CW. View specifications, datasheet and enquiry options from Precisometer.
Specifications
TUN-6 34~643
21 specification rows
| Wavelength | 637 nm |
|---|---|
| Output / average power | Wavelength tunable |
| Beam / notes | Series: TUN-634~643 |
| Wavelength range of roughly tuning (nm) | 634-643 |
| Operating mode | CW |
| Output power (mW) | 1-40 |
| Power stability (rms, 4 hours ± 3°C) | <3%, <2%, <1% |
| Transverse mode | Near TEM00 |
| Spectral line width (nm) | <0.1 |
| Frequency shift (pm) (over ±2°C and 1hrs) | <10 |
| Coarse tuning accuracy (nm) | ~0.1 |
| Fine tuning range (GHz) | >40 (60pm) |
| Fine tuning accuracy (nm) | 0.001 |
| Beam diameter at the aperture (1/e2, mm) | ~3.0 |
| Beam divergence, full angle (mrad) | <1.0 |
| Polarization ratio | >50:1, (>100:1 optional) Horizontal±5 degree |
| Warm-up time (minutes) | <5 |
| Beam height from base plate (mm) | 40 |
| Operating temperature (℃) | 20-30 |
| Power supply (100-240VAC) | PSU-TUN |
| Parameters of customed power supply | Current : 0-270mA |
| Expected lifetime (hours) | >10000 |
Application context
Why this design is used
Applications named on this model’s datasheet, expanded with the model’s optical specifications.
Teaching
TUN-6 34~643: 637 nm emission determines compatible optics, coatings and detectors for Teaching. The catalogued beam parameter (Near TEM00) helps predict how the source will focus and propagate through the instrument.
Holographic imaging
TUN-6 34~643: 637 nm emission determines compatible optics, coatings and detectors for Holographic imaging. The catalogued beam parameter (Near TEM00) helps predict how the source will focus and propagate through the instrument.
Raman
TUN-6 34~643: 637 nm emission sets the excitation and detector-band choice for Raman; linewidth and wavelength stability determine how cleanly weak spectral features can be separated from the laser line. The listed beam characteristic (Near TEM00) also controls focusing and collection geometry.
System integration
Integration and compatibility
Use these checks to connect TUN-6 34~643 to the surrounding optical, mechanical and control system. Every value shown is taken from this model's own specification record.
- Thermal management
- Operating temperature (℃): 20-30
- 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: Near TEM00 · Beam diameter at the aperture (1/e2, mm): ~3.0
- 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 TUN-6 34~643
What cooling does the TUN-6 34~643 require?
Operating temperature (℃): 20-30. 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 TUN-6 34~643 deliver?
Transverse mode: Near TEM00 · Beam diameter at the aperture (1/e2, mm): ~3.0. 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 TUN-6 34~643 with the closest available models in the CW Lasers family. Confirm option-dependent values on the final configuration before ordering.
| Selection parameter | TUN-6 34~643 (current) | Long Coherence Length | TUN-628~637 |
|---|---|---|---|
| Wavelength | 637 nm | 637 nm | 637 nm |
| Optical power / pulse energy | Wavelength tunable | 1-50 mW | Wavelength tunable |
| Operating mode / pulse width | CW | Confirm for this model | Confirm for this model |
| Beam quality | Near TEM00 | Confirm for this model | Confirm for this model |
Related cw lasers
Compare the TUN-6 34~643 with nearby cw lasers across the wavelength range.
