940nm VCSEL Bare Die Series
940nm VCSEL bare die series from 5mW to 8W for NIR sensing, pulsed illumination, machine vision, industrial detection and custom optical modules.
Specifications
- Product Type
- VCSEL Bare Die Series
- Wavelength
- 940 nm typ.
- Optical Output Power
- 5mW / 20mW / 30mW / 100mW / 300mW / 500mW / 800mW / 1W / 1.5W / 2W / 3W / 6W / 8W
- Transverse Mode
- Multi-mode VCSEL
- Emitter Configuration
- 1 emitter to 1273 emitters, depending on product version
- Operating Mode
- QCW / pulse operation
- Beam Profile
- Doughnut-shaped, symmetrical far field
- Beam Divergence
- 19° to 29° typ. at 1/e², depending on product version
- Die Size
- 170μm × 170μm to 1340μm × 1500μm
- Application Direction
- NIR sensing / pulse illumination / machine vision / industrial detection / custom VCSEL source modules
- Recommended Assembly
- Wire bonding / ceramic submount / custom packaging
Product Overview
1. Standard 940nm VCSEL Bare Die Series for NIR Sensing and Pulse Illumination
The 940nm VCSEL Bare Die Series provides multiple standard VCSEL bare die options from low-power milliwatt-level sensing devices to high-power watt-level pulse near-infrared illumination chips.
This product series is designed for 940nm NIR sensing, active illumination, machine vision support, industrial optical detection, consumer electronics, optical source evaluation, and custom VCSEL source module development.
The series includes compact low-power VCSEL bare die, medium-power NIR illumination chips, and high-power multi-emitter VCSEL bare die devices. These products can support chip-level integration, ceramic submount mounting, chip-on-board assembly, wire bonding, customized package development, and optical source module evaluation.
For engineering selection, customers can compare output power, drive current, forward voltage, emitter count, die size, beam divergence, and recommended application direction before choosing a suitable 940nm VCSEL bare die for evaluation.
2. Product Range and Key Features
The 940nm VCSEL Bare Die Series covers low-power, medium-power, and high-power options for different optical source requirements.
| Product | Output Power | Test Current | Forward Voltage | Emitter Count | Die Size | Beam Divergence | Recommended Application Direction |
|---|---|---|---|---|---|---|---|
| 940nm 5mW VCSEL Bare Die | 5mW min. / 6mW typ. | 7mA | 1.9V typ. | 1 | 170μm × 170μm | 21° typ. | Low-power sensing / compact optical source |
| 940nm 20mW VCSEL Bare Die | 20mW min. / 24mW typ. | 28mA | 1.95V typ. | 4 | 170μm × 170μm | 21° typ. | Compact NIR sensing / short-distance detection |
| 940nm 30mW VCSEL Bare Die | 30mW min. / 36mW typ. | 42mA | 1.95V typ. | 6 | 163μm × 185μm | 21° typ. | Compact sensing / active optical detection |
| 940nm 100mW 10Mil VCSEL Bare Die | 100mW min. / 115mW typ. | 140mA | 2.0V typ. | 23 | 245μm × 239μm | 21° typ. | Pulse sensing / active illumination |
| 940nm 100mW 13Mil VCSEL Bare Die | 100mW min. / 120mW typ. | 140mA | 2.0V typ. | 21 | 300μm × 300μm | 21° typ. | Alternative 100mW layout / optical detection |
| 940nm 300mW VCSEL Bare Die | 275mW min. / 290mW typ. / 320mW max. | 350mA | 2.0V typ. | 48 | 330μm × 330μm | 20° typ. | Medium-power NIR illumination / sensing |
| 940nm 500mW VCSEL Bare Die | 500mW min. / 580mW typ. | 700mA | 2.0V typ. | 95 | 575μm × 555μm | 21° typ. | Pulse NIR illumination / machine vision support |
| 940nm 800mW VCSEL Bare Die | 780mW min. / 830mW typ. | 0.5A | 3.4V typ. | 44 | 785μm × 395μm | 29° typ. | High-efficiency NIR sensing / active illumination |
| 940nm 1W VCSEL Bare Die | 1W min. / 1.15W typ. | 1.4A | 2.1V typ. | 201 | 775μm × 670μm | 21° typ. | High-power pulse NIR illumination |
| 940nm 1.5W VCSEL Bare Die | 1.5W min. / 1.65W typ. | 2A | 2.1V typ. | 280 | 885μm × 810μm | 21° typ. | High-power NIR illumination / industrial sensing |
| 940nm 2W VCSEL Bare Die | 2W min. / 2.2W typ. | 2.8A | 2.1V typ. | 410 | 995μm × 1020μm | 21° typ. | High-power pulse source / active illumination |
| 940nm 3W VCSEL Bare Die | 3W min. / 3.3W typ. | 4A | 2.1V typ. | 624 | 1075μm × 1120μm | 21° typ. | High-power NIR illumination / industrial detection |
| 940nm 6W VCSEL Bare Die | 5W min. / 5.5W typ. / 6W max. | 7A | 2.2V typ. | 1273 | 1340μm × 1500μm | 19° typ. | High-peak-power NIR illumination |
| 940nm 8W VCSEL Bare Die | 8W min. / 9W typ. / 10W max. | 3.5A | 4.9V typ. | 560 | 910μm × 770μm | 28° typ. | High-power pulse NIR illumination / sensing |
Low-power versions such as 5mW, 20mW, 30mW, and 100mW are suitable for compact NIR sensing, short-distance optical detection, proximity sensing, consumer electronics, and low-power source evaluation.
Medium-power versions such as 300mW, 500mW, 800mW, and 1W are suitable for active illumination, machine vision auxiliary lighting, industrial sensing, optical detection modules, and compact pulse NIR optical source development.
High-power versions such as 1.5W, 2W, 3W, 6W, and 8W are suitable for stronger pulse NIR illumination, active optical detection, industrial inspection, high-power optical source development, and customized VCSEL module integration.
Key features include 940nm typical wavelength, 930–950nm wavelength range, multi-mode VCSEL emission, doughnut-shaped symmetrical far-field output, multiple emitter layouts, and bare die format for flexible optical, electrical, and mechanical integration.
Depending on the selected product, the series supports different drive current levels, emitter counts, die sizes, divergence angles, and power conversion efficiency ranges. This allows the optical source design to be matched more closely with the final system requirements.
3. Application Development Direction
This 940nm VCSEL bare die series supports NIR sensing, proximity detection, active illumination, machine vision support, industrial optical detection, consumer electronics, optical source modules, and customized VCSEL package development.
In a 940nm VCSEL-based optical system, the wavelength, output power, pulse width, duty cycle, drive current, forward voltage, die size, emitter layout, package structure, thermal path, beam profile, detector response, optical path, and final system signal behavior should be reviewed together.
For customer projects requiring a different optical power, package type, beam profile, thermal structure, or assembly format, customized VCSEL bare die integration and module-level discussion can be arranged according to the project requirements.
4. Evaluation Sample Kit and Documentation Support
Paid evaluation sample kits can be arranged for selected standard VCSEL chip products, subject to product availability and project review. International express shipping can also be arranged depending on the destination.
An Initial Product Report has been filed with the U.S. FDA CDRH for the Laser Diode Series, including the VCSEL Laser Diode Chip Series. CE-related documentation is also available for project evaluation, including EMC documentation and EN 60825 laser safety / LVD test documentation. Material compliance documentation, including RoHS, REACH, and HF documentation, can also be provided upon request.
For 940nm NIR sensing, pulse illumination, machine vision support, industrial detection, consumer electronics, and custom optical source projects, bare die mounting, ceramic submount assembly, chip-on-board integration, wire bonding, beam shaping, thermal design review, drive condition review, or customized package discussion is available according to the project requirements.
Please contact us for sample testing, engineering evaluation, or custom project support.