Product Detail
| 
					 Key Features  | 
				
					 Applications  | 
			
| 
					 High Power Handling  | 
				
					 Fiber Lasers  | 
			
| 
					 Low Insertion Loss  | 
				
					 Fiber Optic Instruments  | 
			
		
	
Specifications
| 
					 Optical Parameter  | 
				
					 Unit  | 
				
					 Values  | 
			
| 
					 Operating Wavelength (λc)  | 
				
					 nm  | 
				
					 1064 ± 15  | 
			
| 
					 Max. Insertion Loss at 23 ℃, λc  | 
				
					 dB  | 
				
					 0.4  | 
			
| 
					 Typ. Peak Isolation  | 
				
					 dB  | 
				
					 40  | 
			
| 
					 Min. Isolation at 28 ℃  | 
				
					 dB  | 
				
					 30  | 
			
| 
					 Min. Return Loss  | 
				
					 dB  | 
				
					 50  | 
			
| 
					 Nominal Output Beam Diameter (1/e2 @ 500 W)1  | 
				
					 mm  | 
				
					 7.0 ± 0.5 @ M2 = 1.5  | 
			
| 
					 Beam Circularity @ Focal Spot1  | 
				
					 %  | 
				
					 > 90  | 
			
| 
					 M2 Degradation  | 
				
					 %  | 
				
					 < 10  | 
			
| 
					 640 nm Transmission  | 
				
					 %  | 
				
					 > 20  | 
			
| 
					 Max. Focal Shift of Thermal Lens1  | 
				
					 ZR  | 
				
					 ≤ 0.5  | 
			
| 
					 Typ. Focal Shift of Thermal Lens1  | 
				
					 ZR  | 
				
					 ≤ 0.2  | 
			
| 
					 Max. Average Optical Power  | 
				
					 W  | 
				
					 500  | 
			
| 
					 Max. Peak Power for ns Pulse  | 
				
					 kW  | 
				
					 50  | 
			
| 
					 Max. Average Optical Power from Cladding  | 
				
					 W  | 
				
					 5  | 
			
| 
					 Max. Tensile Load  | 
				
					 N  | 
				
					 5  | 
			
| 
					 Beam Offset  | 
				
					 mm  | 
				
					 < 0.7  | 
			
| 
					 Pointing Error  | 
				
					 mrad  | 
				
					 < 2.5  | 
			
| 
					 Fiber Type  | 
				
					 -  | 
				
					 Specified by Ordering Info  | 
			
| 
					 Cooling  | 
				
					 -  | 
				
					 Water  | 
			
| 
					 Water Quality  | 
				
					 -  | 
				
					 Purified or Distilled Water  | 
			
| 
					 Flow Rate  | 
				
					 L / min  | 
				
					 1.5 - 2.5  | 
			
| 
					 Water Pressure  | 
				
					 Mpa  | 
				
					 ≤ 0.3  | 
			
| 
					 Water Temperature  | 
				
					 -  | 
				
					 ≥ 5 °C Above Dew Point Temperature  | 
			
| 
					 Water PH Value  | 
				
					 -  | 
				
					 6.2 - 7.9  | 
			
| 
					 Operating Temperature  | 
				
					 ℃  | 
				
					 + 10 to + 50  | 
			
| 
					 Storage Temperature  | 
				
					 ℃  | 
				
					 - 10 to + 60  | 
			
1The high power performances are tested by the BeamSquared.
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