Shanghai Laser & Optics Century Co., Ltd. (SLOC) | Laser | Manufacturer of DPSS Green Laser, Blue Laser, Red Laser, Yellow Laser, Infrared Laser, UV Laser | 635nm and 650nm Laser Modules | Laser Diode | Scanner, Line Lens, Combiner, Beamsplitter, Filter, Rod Lens, Ball Lens | Fiber Coupled, RGB Laser, Low Noise, SLM, Line Laser, Laser Pointer, Portable Laser

561nm Yellow-Green DPSS Laser (NU)

Key Feature

Output Power up to 75mW
Ultra-Low Noise
TEC Cooling System
Superior Beam Quality
Best Reliability & Lifetime

Application

DNA Sequencing
Flow Cytometry
Cell Sorting
Optical Instrument
Spectrum Analysis
Interference Measurement
Holography
Physics Experiment

YL561NU Series Laser
Optical Parameter
Output Wavelength	561±1nm
Output Power	20mW, 50mW, 75mW
Transverse Mode	TEM₀₀
Operating Mode	CW
Mode Quality (M²)	<1.1
Beam Asymmetry	0.9 to 1.1
Beam Divergence, Full Angle	1.5mrad
Beam Diameter (1/e²) @ Exit	0.7mm
Long-Term Power Stability	1% (rms, 4 hours, 25℃)
Beam Pointing Stability	<50μrad over 2 hours (ambient ±5℃ )
Polarization, Linear	100:1
Amplitude Noise	<0.5% (rms, 20Hz to 20MHz, 25℃)
	<1% (PK-PK, 20Hz to 20KHz, 25℃)
Static Alignment Tolerances	Beam Position(mm) ± 0.5mm
	Beam Angle(mrad) ± 2.5mrad
	Beam Waist Position at Exit Window ±20cm
Electrical Parameter
Power Supply	ADR-800A	ADR-800D
	Adjustable Power Supply	FDA Power Supply
Input Voltage	85~240VAC, 50/60Hz
Power Consumption	70W
Modulation	None
Mechanical Parameter
Dimensions of Laser Head	126 × 70 × 50mm
Weight of Laser Head	2.0Kg
Dimensions of Power Supply	277 × 145 × 106mm	277 × 145 × 104mm
Weight of Power Supply	2.6Kg	2.3Kg
Reliability
Warm Up Time	<10 minutes
Cooling	Forced-air cooled
Max. Laser Head Baseplate Temp	50℃
Max. Heat Dissipation of Head	15W
Operating Temperature, Case	10℃ ~ 40℃
Storage Temperature	-30℃ ~ 60℃
Shock Tolerance(6ms)	7g laterally, 15g vertically
Expected Operation Lifetime	10000 hours
Warranty	12 months
Note
» The laser head needs to be used on a heat sink with good heat dissipation. Do not restrict air circulation around the device; an additional heat sink can be used to maximize the performance and life time of the laser. » All specifications are based on performance at full output power and after the specified warmup period. Output characteristics may change if the laser is run at a different power level. » 2-Year Warranty is available upon request.

Accessories (optional)
Safety Glasses	Carrying Case

Laser Products
Model	Output Power	Power Stability (4hrs, 25℃)	Noise (rms, 25℃ )	IEC/CDRH Laser Class
YL561NU-020	20mW	1% rms	0.5%	Class 3B/IIIb
YL561NU-050	50mW	1% rms	0.5%	Class 3B/IIIb
YL561NU-075	75mW	1% rms	0.5%	Class 3B/IIIb

Mechanical Drawing (Laser Head)

ADR-800A Power Supply

ADR-800D Power Supply