FAC LENS (Fast-Axis Collimating Lens)

+886-2-8772-8910

COLLIMATING LIGHT

FEATURES

● Aspheric micro-cylindrical lens

● Highly efficient utilization of light from LD bar

● Small variations in characteristics allow mass production

● Minimized smile and side lobes due to high-precision fabricating technology

OUTPUT DISTRIBUTION IMAGE WHEN INSTALLED TO LD BAR

SPECIFICATIONS

Parameter		FAC300	FAC610	FAC920	Unit
Type Number		J10919-03	J10919-01	J10919-02	—
Wavelength Area		790~990			nm
Numeric Aperture (NA)	Min.	0.8			—
Material		High refractive index glass			—
Refractive Index at 915 nm		1.809			—
Effective Focal Length (EFL)		300	610	920	μm
Back Focal Length (BFL)		80	100	150	μm
Height (H)		0.50	1.00	1.50	mm
Width (W)		0.40	0.94	1.41	mm
Length (L)		4.0	12.0		mm
Efficiency	Min.	85 (±2.5 mrad)	85 (±1.5 mrad)	85 (±1.0 mrad)	%
Transmittance	Min.	98			%

DIMENSIONAL OUTLINES (Unit: mm)

CUSTOMIZATION

● Changing wavelength area

● Changing focal length

● Changing length