1064 nm 20 W Fiber to Free Space High Power Isolator

The 1064 nm 20 W Fiber to Free Space High Power Isolator is designed for high-power optical systems requiring stable output and effective back-reflection suppression. By combining fiber input with free-space output, it enables efficient beam delivery while maintaining low insertion loss and high isolation. With strong power handling capability and reliable return loss performance, this isolator ensures safe and stable operation in demanding environments. It is well suited for high-power fiber lasers and amplifier systems where protecting upstream components and maintaining beam quality are critical.

Parameter	Unit	Value
Center Wavelength (λc)	nm	1064 nm or specify
Typ. Peak Isolation	dB	35
Min. Isolation @ λc All Polarization States	dB	28
Max. Insertion Loss @ λc	dB	0.5
Max. Polarization Dependent Loss	dB	0.1
M² Degradation	%	< 10
Beam Roundness	%	> 90
Min. Return Loss	dB	50
Max. Average Optical Power	W	20
Max. Peak Power (Pulse Width,10 ns)	kW	10
Max. Tensile Load	N	5
Fiber Type (Input Port)	-	Specified by ordering info
Fiber Type (Output Port)	-	Free Space
Nominal Output Beam Diameter (1/e^2)	mm	7 ± 0.5
Operating Temperature	℃	+ 10 to + 50
Storage Temperature	℃	0 to + 60