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Diode-Pumped Yellow-Green Laser
This series of diode-pumped yellow-green lasers offers three wavelength options: 561 nm, 558 nm, and 555.5 nm, and is available in Standard, Single Longitudinal Mode (SLM), and Low-Noise versions. These variants meet diverse requirements in research, inspection, and optoelectronic systems for wavelength, power, linewidth, noise, and stability. All models feature TEM₀₀ single transverse mode output with a beam quality of M²= 1.0–1.1, ensuring excellent beam quality and pointing stability.
Product features:Multiple wavelength options;Wide power configurations;Single‑longitudinal‑mode option available;High beam quality;High pointing stability;Compact design
Part Number:MP‑CL561‑250
Application area:Biomedical and fluorescence detection | Raman spectroscopy and spectral analysis | Interferometry and precision measurement | Holography and optical imaging | Research and laboratory light sources
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Available Wavelengths Spectral Linewidth
561 nm / 558 nm / 555.5 nm 0.15 nm (nominal) / < 10⁻⁴ nm (SLM version)

Models and Output Power
Model | Output Power | Model | Output Power |
MP-CL561-250 | 250mW | MP-CL561-200 | 200mW |
MP-CL561-150 | 150mW | MP-CL561-100 | 100 mW |
MP-CL561-050 | 50 mW | MP-CL561-025 | 25 mW |
MP-CL561-050-S | 50mW | MP-CL561-050-L | 50mW |
MP-CL561-025-S | 25mW | MP-CL561-025-L | 25mW |
MP-CL558-250 | 250mW | MP-CL558-200 | 200mW |
MP-CL558-150 | 150mW | MP-CL558-100 | 100mW |
MP-CL558-050 | 50mW | MP-CL558-025 | 25mW |
MP-CL558-050-S | 50mW | MP-CL558-050-L | 50 mW |
MP-CL558-025-S | 25 mW | MP-CL558-025-L | 25 mW |
MP-CL555-250 | 250mW | MP-CL555-200 | 200mW |
MP-CL555-150 | 150mW | MP-CL555-100 | 100mW |
MP-CL555-050 | 50mW | MP-CL555-025 | 25mW |
MP-CL555-050-S | 50mW | MP-CL555-050-L | 50mW |
MP-CL555-025-S | 25mW | MP-CL555-025-L | 25mW |
Main Technical Parameters
Parameter | Standard Version |
Output wavelength | 561nm / 558nm / 555.5nm |
Maximum output power | Up to 250 mW (Standard version) |
Transverse mode | TEM00 single mode |
Beam quality (M²) | M²=1.0–1.1 |
Longitudinal mode | Multi-longitudinal mode (Standard); Single longitudinal mode (SLM version) |
Spectral linewidth | 0.15 nm (nominal, Standard); < 0.0001 nm (SLM version) |
Coherence length | 0.5 – 1 mm (nominal, Standard); > 5 m (SLM version) |
Power stability | < 2% RMS over 2 hours |
High stability option | 0.5% or 0.25% over 24 hours |
Beam diameter | ~0.7 mm (1/e²) |
Beam divergence | ~1 mrad |
Beam pointing stability | <0.005mrad/℃ |
Polarisation | Horizontal linear, 50:1; optional > 100:1 |
Operating temperature | 10℃~35℃ |
Warm‑up time | < 1 minute |
Power supply | 90–250VAC / 12VDC / OEM 11–16VDC |
Typical power consumption | 15W |
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