INGENERIC Slow-Axis Collimation
Precision Micro-Optics for Laser Bars and High-Power Diode Lasers
INGENERIC SACs
Our Slow-Axis Collimators (SACs), manufactured from high-quality optical glass, are specifically designed for collimating the slow axis of laser bars and multi-emitter diode lasers. They provide uniform and efficient beam shaping across multiple emitters and, together with FAC optics, form the foundation of high-performance optical systems and beam-shaping solutions.
SAC arrays combine aspherically optimized lens profiles, precision manufacturing, exceptional accuracy and uniformity, and tight tolerances to ensure maximum efficiency, stability, and reproducibility in industrial high-power applications.
Optimized Beam Shaping for Laser Bars
Laser bars and multi-emitter diode modules produce highly divergent beam profiles that cannot be used efficiently without precise collimation. Our SACs correct the slow-axis divergence across all emitters – for consistent, homogeneous, and robust beam characteristics.
Technical Highlights:
Our SACs at a Glance
Select from our range of standard SAC products or contact us for a customized solution tailored to your optical and system requirements.
| Lens type | NA | EFL (mm) | PE (mm) | L (mm) | H (mm) | CT (mm) |
|---|---|---|---|---|---|---|
| Pitch: 200 µm | ||||||
| SAC-010-200 | 0.10 | 1.00 | 0.20 | tbd | tbd | 1.00 |
| Pitch: 400 µm | ||||||
| SAC-015-400 | 0.13 | 1.50 | 0.40 | tbd | tbd | 1.00 |
| SAC-029-400 | 0.07 | 2.90 | 0.40 | tbd | tbd | 1.00 |
| Pitch: 498 µm | ||||||
| SAC-028-498 | 0.07 | 2.80 | 0.49 | tbd | tbd | 1.00 |
| Pitch: 500 µm | ||||||
| SAC-022-500 | 0.11 | 2.20 | 0.50 | tbd | tbd | 1.00 |
| SAC-026-500 | 0.09 | 2.60 | 0.50 | tbd | tbd | 1.00 |
| SAC-030-500 | 0.08 | 3.00 | 0.50 | tbd | tbd | 1.00 |
| SAC-033-500 | 0.07 | 3.30 | 0.50 | tbd | tbd | 1.00 |
| SAC-035-500 | 0.07 | 3.50 | 0.50 | tbd | tbd | 1.00 |
| SAC-037-500 | 0.07 | 3.70 | 0.50 | tbd | tbd | 1.00 |
| SAC-039-500 | 0.07 | 3.90 | 0.50 | tbd | tbd | 1.00 |
| SAC-040-500 | 0.06 | 4.00 | 0.50 | tbd | tbd | 1.00 |
| SAC-042-500 | 0.06 | 4.20 | 0.50 | tbd | tbd | 1.00 |
| SAC-045-500 | 0.05 | 4.50 | 0.50 | tbd | tbd | 1.00 |
| Pitch: 710 µm | ||||||
| SAC-058-710 | 0.05 | 5.8 | 0.71 | tbd | tbd | 1.00 |
| Pitch: 1000 µm | ||||||
| SAC-035-1000 | 0.14 | 3.50 | 1.00 | tbd | tbd | 1.00 |
| SAC-060-1000 | 0.08 | 6.19 | 1.00 | tbd | tbd | 1.00 |
| SAC-069-1000 | 0.07 | 6.90 | 1.00 | tbd | tbd | 1.00 |
| SAC-073-1000 | 0.07 | 7.30 | 1.00 | tbd | tbd | 1.00 |
| SAC-080-1000 | 0.06 | 8.25 | 1.00 | tbd | tbd | 1.00 |
| SAC-100-1000 | 0.05 | 10.30 | 1.00 | tbd | tbd | 1.00 |
NA: Numerical aperture
EFL: Effective focal length @ 808 nm
BFL: dependent on used FAC
PE: Pitch of emitter
Coating: Standard AR 780-1020 nm
Transmission: > 99%
L*: Length 1.0…14.0mm (+/-0.10 mm) according to customer specification
H**: Height 0.5…15.0 mm (+/- 0.02 mm)
CT: Center Thickness (+/- 0.02 mm)
Single SAC (S-SAC): The Flexible Optic for Single Emitters and Modular Systems
For single-emitter diode lasers and optical architectures with flexible emitter arrangements, INGENERIC offers S-SAC lenses, compact single-lens optics designed for precise slow-axis collimation. S-SACs provide the same optical advantages as SAC arrays while allowing free positioning, making them particularly versatile and easy to integrate into a wide range of optical systems.
Key Features of our S-SACs
Our S-SACs at a Glance
Choose from our standard products or contact us for a customized solution.
| Lens Type Single SAC | EFL [mm] | CA max. for NA [mm] | H** max. [mm] | L* [mm] | CT [mm] |
|---|---|---|---|---|---|
| S-SAC-F3.7 | 3.7 | 2.20 | 2.3 | tbd. | 1.0 |
| S-SAC-F8.0 | 8.0 | 2.60 | 3.0 | tbd. | 1.0 |
| S-SAC-F12 | 12.0 | 5.00 | 6.0 | tbd. | 1.9 |
| S-SAC-F20 | 20.0 | 7.24 | 7.5 | tbd. | 2.0 |
| S-SAC-F37 | 37.0 | 7.50 | 7.68 | tbd. | 1.5 |
EFL: Effective focal length @ 808 nm
CA: Clear aperture
NA: Numerical aperture
Coating: Standard AR 780-1020 nm or upon request
Transmission: > 99%
L*: Length 1.0…14.0mm (+/-0.10 mm) according to customer specification
H**: Height 1.0 up to max. height according to table
CT: Center Thickness (+/- 0.02 mm)
Maximum Flexibility in Beam Shaping
Cylindrical Lens Arrays
Our cylindrical lens arrays consist of precisely aligned cylindrical optics and enable targeted beam profile manipulation along a single axis or across multiple axes. They are the ideal solution when standard SACs do not meet the requirements for emitter pitch, aperture, or beam-shaping performance.
Applications
- Beam homogenization and complex beam-shaping applications
- Optical modules with non-standard emitter geometries
- High-power pump modules and multi-beam concepts
- Systems requiring customized focused or expanded beam profiles
Benefits
- Flexible design of pitch, aperture, and optical geometry
- Adaptable to individual emitter arrangements
- Ideal for customized optical modules and system architectures
- High surface quality and excellent reproducibility
Enhanced Beam Control with Double SAC Optics
Double SAC
The Double SAC combines two slow-axis collimators to achieve two-stage optical correction. This design is used in applications where a single SAC element cannot provide the required level of divergence reduction or beam uniformity. Double SAC systems extend the capabilities of conventional SAC optics, enabling even more precise control of the slow axis.
Applications
- Laser beams with particularly high divergence
- Modules with demanding requirements for beam quality and focal position
- Optical systems requiring optimized beam transformation in downstream optical stages
Benefits:
- Enhanced beam quality through two-stage correction
- Precise adjustment of focal position and beam divergence
- Thermally stable and robust for increased power levels
- High flexibility in optical design and system integration
Precision manufacturing to industrial standards:
Isothermal Precision Glass Molding
Our manufacturing process offers numerous advantages:
The result is micro-optics and lens arrays that offer series-production quality, stability, and excellent reproducibility.
Additional Services:
Custom Options
We offer a comprehensive portfolio of standard optical components as well as customized solutions tailored to specific laser architectures:
- - Custom focal length and aperture modifications
- Customer-specific AR coatings
- - Specialized geometries and array layouts
- - Mechanical carriers and modular adaptations
- - Complete solutions for complex beam-shaping applications
Custom designs can be realized with low non-recurring engineering (NRE) costs, enabling cost-effective and rapid implementation of application-specific solutions.
From single lenses to sophisticated SAC arrays, we develop optical components precisely tailored to your requirements.
Packaging Options
Beyond standard packaging formats, INGENERIC provides customized packaging solutions for SACs to meet specific customer needs. Components can be delivered in pick-and-place ready formats, such as trays and Gel-Paks, facilitating secure handling and streamlined automated processing. This ensures reliable component protection and efficient integration into high-volume manufacturing environments.
Automated Assembly & Mounting Tabs
Beyond the production of high-precision SACs, INGENERIC provides automated assembly services for the reliable integration of mounting features. Various tab configurations, including BTs, SideTabs, and Shoulders for Mounting, can be accurately aligned and reproducibly attached to the optics. The resulting pre-assembled modules are designed for direct integration into customer-specific laser architectures, enabling simplified system assembly, improved positioning accuracy, and enhanced production efficiency.
Quality
We maintain strict quality standards.
Through application-specific measurements under conditions equivalent to the intended use of the optic, we ensure that no deviations occur between characterization and real-world operation. Combined with our reliable manufacturing technology, this enables us to consistently deliver optics with outstanding collimation performance.
Frequently Asked Questions – FAQs
Why choose SAC lenses made from optical glass?
Our SAC and S-SAC lenses are manufactured from carefully selected optical glass materials and combine:
- High thermal stability
- Exceptional resistance to high laser power
- Low absorption and minimal thermal drift
- Precise surface quality without the need for polishing
- Long service life and reliable performance in volume production
As a result, they are the ideal choice for demanding industrial laser applications.
- High thermal stability
- Exceptional resistance to high laser power
- Low absorption and minimal thermal drift
- Precise surface quality without the need for polishing
- Long service life and reliable performance in volume production
As a result, they are the ideal choice for demanding industrial laser applications.
How is pricing calculated for INGENERIC products?
Standard Products: We offer standard price lists for quantities ranging from 10 units to high-volume orders. As a general rule, the higher the order quantity, the lower the unit price. Packaging costs are typically included in the product price, while shipping costs are borne by the customer.
Customized Products / Custom-Made Optics: For our precision glass molding process, dedicated tooling is required. Depending on the project and production volume, this may involve one or multiple molds or inserts, resulting in a one-time non-recurring engineering (NRE) and tooling cost. Product pricing is determined based on order volume, with higher quantities benefiting from lower unit prices.
Development costs depend on the complexity and size of the molds. In particular, smaller molds can often be realized more cost-effectively during the prototype or sampling phase. As projects progress toward serial production, unit costs can frequently be reduced through economies of scale. The one-time development costs also cover tooling maintenance and replacement, if required.
Customized Products / Custom-Made Optics: For our precision glass molding process, dedicated tooling is required. Depending on the project and production volume, this may involve one or multiple molds or inserts, resulting in a one-time non-recurring engineering (NRE) and tooling cost. Product pricing is determined based on order volume, with higher quantities benefiting from lower unit prices.
Development costs depend on the complexity and size of the molds. In particular, smaller molds can often be realized more cost-effectively during the prototype or sampling phase. As projects progress toward serial production, unit costs can frequently be reduced through economies of scale. The one-time development costs also cover tooling maintenance and replacement, if required.
Get in Touch!
INGENERIC – Your Partner for Precision Optical Solutions
Do you have suggestions, specific requirements, or a concrete enquiry? We can help you select the right micro-optics for your application—from standard components to customised solutions. Please feel free to contact us for personal advice or an individual quotation.
We look forward to hearing from you!
