Micro Optics

Fast Axis Collimation

Part NumberNAEFL (mm)BFL (mm)CT (mm)MaterialDiv Angle(mrad)
FAC06-1500.600.150.030.22K-VC894.60
FAC07-5000.700.300.080.70K-VC891.34
FAC08-9000.800.900.091.50K-VC890.80
FAC07-20000.652.000.103.37N-LaF210.36
FAC08-28000.752.800.094.78N-LaF210.26

Slow Axis Collimation

Part NumberNAEFL (mm)PE (mm)CT (mm)
SAC-010-2000.101.000.201.00
SAC-015-4000.131.500.401.00
SAC-028-4980.072.800.491.00
SAC-030-5000.083.000.501.00
SAC-058-7100.055.800.711.00
SAC-80-10000.068.251.001.00
SAC-100-10000.0510.301.001.00

C-Module

Part NumberSAC EFLFAC EFLPEDiv Angle (mrad)
C-600-022-5002.200.600.501.20
C-900-022-5002.200.900.500.80
C-600-030-5003.000.600.501.20
C-900-030-5003.000.900.500.80
C-900-060-10006.190.901.000.80

Microlens Array

Product TypePart NumberDimension(mm)MaterialEFL (mm)PE (mm)CT (mm)Qty of lensletsDev Angle (mrad)
Aspherical Lens ArrayMLA-ASPH-PL-CX-0.7215.0 x 12.0K-VC890.723.2201.3
Aspherical Lens ArrayMLA-ASPH-PL-CX-2.288.0 x 6.0L-BSL72.281.1-1.391.0
Cylindrical Lens ArrayHomogenizer Array-18.535.0 x 28.0K-VC8918.51.32.0
Cylindrical Lens ArrayHomogenizer Array-19.430.0 x 26.0K-VC8919.40.82.0

Asphere & Acylinder

Product TypePart NumberDimension (mm)EFL (mm)CT (mm)Form Accuracy (nm)Material
AsphereASPH-PL-CX-2.44.2 x 4.22.42.0< 260K-VC89
AsphereASPH-PL-CX-9.55.69.53.0<97K-VC89
AcylinderACYL-PL-CX-12320.0 x 49.0 x 9.0123.0< 400Fused Silica
AcylinderACYL-PL-CX-15558.0 x 120.0 x 35.0155.0< 600Fused Silica

Fast Axis Collimation

Micro Optics Diagram 1 Fast Axis

The diode laser beam is collimated using the FAC lens as it minimizes the divergence angle along its fast axis.   These lenses have an acylindrical surface and are made from high-quality glass.  The diffraction-limited collimation is achieved with a high numerical aperture of the lens.

Slow Axis Collimation

SAC lenses are either a monolithic array of cylindrical lenses or a single lens used to reduce the beam divergence angle along the slow axis of a diode laser.  They have minimized dead zones and are compatible with laser bars and stacks.

C-Module

Collimation Module or C-Module consists of two micro-optics, a FAC lens, and a SAC array fixed and aligned in one single module.  It reduces the divergence of a diode laser beam in the fast and the slow axis simultaneously and collimates with the highest brightness.  It is a simple, compact, and cost-efficient module for diode laser with minimum size.

Microlens Array

Micro Optics Diagram 4 Microlens Arrays

Microlens arrays have superior form accuracy within the submicron range and dimension in the sub-millimetre range. These arrays are used effectively in imaging, illumination, and collimation of laser light.  Lens arrays with spherical or aspherical curvature have high filling factors and minimum dead zones, making it useful for unique beam shaping applications.  Cylindrical arrays produce an aberration-free image and give the best possible light efficiency and used for the transformation of high power diode laser beams.

Asphere & Acylinder

Laser-Optics-Micro-Optics

Aspheres and Acylinders are used for achieving the highest image quality. They have many useful characteristics such as minimization of aberrations, an increase in efficiency, a decrease in the total number of optical elements, and a reduction in weight of the optical systems.

Fast Axis Collimation

Material: K-VC89, N-LaF21
Length Tolerance: +/- 0.10mm upto 14mm
Height Tolerance: +/- 0.01mm for N-LaF21 | +/- 0.02mm for K-VC89
CT Tolerance: +/- 0.01mm for N-LaF21 | +/- 0.02mm for K-VC89
Transmission: >99%
Coating: Standard AR 780-1020nm

Slow Axis Collimation

Length Tolerance: +/- 0.10mm
Height Tolerance: +/- 0.02mm
CT Tolerance: +/- 0.02mm
Transmission: >99%
Coating: Standard AR 780-1020nm

C-Module

Material: SUMITA optical glass
Length Tolerance: +/- 0.10mm
Height Tolerance: +/- 0.05mm
Thickness Tolerance: +/- 0.05m
Transmission: >98%
Coating: Standard AR 780-1020nm

Microlens Array

Spherical & Aspherical

Material: Optical Glass (High Index Material)
Pitch Accuracy: <1µm across 25mm
Form Accuracy: <250nm
EFL Tolerance: <1%
Dead Zones: <10µm
CT Accuracy: <20µm

Cylindrical Microlens Arrays

Material: Optical Glass (High Index Material)
Pitch Accuracy: <2µm across 25mm
Form Accuracy: <100nm
EFL Tolerance: <1%
Transition zone between lenslet: <10µm

Asphere & Acylinder

Aspheres/Spheres < 5.0mm

Material: Optical Glass (High Index Material)
Lens Diameter: 2.0 – 5.0 mm
Diameter Tolerance: < 0.30mm
Lens Aperture: Round, Rectangular
EFL Tolerance: < 1%

Acylinders

Material: Fused Silica, Optical Glass (High Index Material)
EFL Tolerance: < 0.5%
Form Accuracy: < 600nm
EFL: 70 – 200 mm
Length: 20 – 60 mm
Height: 40 – 120 mm
Center Thickness: 4.0 – 40.0 mm

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