BlueSpecCube Bluetooth-Enabled OEM Fiber Optic Spectrometer
| Origin | Germany |
|---|---|
| Manufacturer Type | Authorized Distributor |
| Origin Category | Imported |
| Model | BlueSpecCube |
| Price Range | USD 1,400 – 4,200 (FOB) |
| Spectral Range | 300–1000 nm |
| Detector | Back-Illuminated CMOS Linear Array |
| Optical Resolution | < 4.5 nm (FWHM, with 50 µm slit) |
| Sensitivity | 5 × 10¹⁶ counts/W·s @ 300 nm |
| Signal-to-Noise Ratio | 3000:1 (full well, 1 s integration) |
| Dynamic Range | 10,000:1 (typical, single acquisition) |
| Stray Light | < 0.1 % (600 nm, relative to peak) |
Overview
The BlueSpecCube is a compact, Bluetooth-enabled OEM fiber optic spectrometer engineered for seamless integration into portable and embedded analytical systems. Based on the proven RU 40/90 optical platform, it retains the high-fidelity flat-field Czerny–Turner optical architecture—featuring a holographic concave grating and optimized collimation—while adding wireless communication, onboard power management, and mechanical shutter control. Its core measurement principle relies on dispersive spectroscopy: incident light is coupled via SMA905 fiber, diffracted by a ruled or holographic grating, and imaged onto a back-illuminated CMOS linear sensor. The resulting spectral data enables quantitative analysis of intensity distribution across the 300–1000 nm range, supporting radiometric, photometric, and colorimetric applications under field-deployable conditions. Designed for OEM developers and instrumentation engineers, the BlueSpecCube emphasizes modularity, deterministic timing, and low-footprint integration—without compromising spectral fidelity or thermal stability.
Key Features
- Bluetooth 5.0 Class 1 wireless interface (up to 100 m line-of-sight), compliant with Bluetooth SIG v4.2+ profiles for serial port emulation (SPP) and custom GATT services
- Integrated rechargeable Li-polymer battery (7.4 V, 2200 mAh) with smart charging circuitry and real-time voltage monitoring via I²C
- Onboard piezoelectric mechanical shutter for precise dark-reference acquisition—enabling hardware-synchronized background subtraction without external triggering
- Pre-calibrated wavelength mapping stored in non-volatile memory; supports auto-recall and user-defined calibration tables (NIST-traceable reference lamp optional)
- Real-time onboard preprocessing: dark current subtraction, pixel-wise sensitivity correction (flat-field), and absolute radiometric scaling (W/nm/sr/m²)
- SCPI-compliant command set (IEEE 488.2) for plug-and-play interoperability with LabVIEW, MATLAB, Python (PyVISA), and industrial SCADA systems
- No SD card slot—designed for host-controlled acquisition and streaming; data transfer occurs over Bluetooth or USB-C (USB 2.0 High-Speed mode)
Sample Compatibility & Compliance
The BlueSpecCube interfaces with standard 400 µm or 600 µm core multimode silica fibers (NA 0.22) and accepts input from integrating spheres, cuvette holders, collimating optics, and LED/laser sources via SMA905 connectors. It complies with IEC 61326-1:2013 (EMC for laboratory equipment), RoHS 2015/863/EU, and REACH SVHC regulations. Firmware implements audit-ready logging per GLP requirements—including timestamped acquisition metadata, shutter state, integration time, and detector temperature (monitored via internal thermistor). While not FDA 21 CFR Part 11 certified out-of-the-box, its SDK supports cryptographic signature insertion and electronic record retention for validated environments.
Software & Data Management
The BlueSpecCube ships with JETI VersaSpec v4.x—a Windows-based application supporting real-time spectral visualization, multi-curve overlay, CIE 1931 chromaticity mapping, and spectral irradiance reporting. For OEM integration, a comprehensive SDK is provided: cross-platform C/C++ DLLs (Windows/Linux ARM64/x86_64), Python bindings (pip-installable), and firmware update utilities with rollback protection. All communication layers support synchronous and asynchronous modes; Bluetooth packets include CRC-16 checksums and automatic retransmission on timeout. Raw frame data is delivered in IEEE 754 32-bit float format (intensity vs. wavelength), with optional HDF5 export for long-term archival. Metadata conforms to the Spectral Data Interchange Format (SDIF) v1.2 specification.
Applications
- Portable UV-Vis reflectance and transmission analysis for quality control in coatings, films, and textiles
- LED binning and spectral power distribution (SPD) validation in manufacturing test stands
- In-field solar irradiance monitoring and PV module spectral response characterization
- Embedded color measurement in medical device displays, automotive HMI panels, and AR/VR headset calibration
- Low-cost OEM platforms for educational spectrometers, environmental sensor nodes, and agricultural NDVI sensors
- Time-resolved fluorescence decay profiling when synchronized with pulsed laser diodes (via TTL trigger input)
FAQ
Does the BlueSpecCube support external triggering?
Yes—TTL-compatible trigger input (0–5 V, rising-edge active) enables precise synchronization with pulsed light sources or motion stages.
Can I perform absolute radiometric calibration without external hardware?
The instrument includes factory-applied NIST-traceable responsivity curves; optional calibrated tungsten-halogen or deuterium lamps enable full end-user recalibration.
Is the Bluetooth connection secure for industrial use?
Pairing uses AES-128 encryption; devices operate in bonded mode with configurable passkey authentication and MITM protection per Bluetooth Core Spec v5.0.
What is the thermal drift behavior over extended operation?
Detector temperature is actively monitored; spectral shift remains ≤ 0.05 nm/°C within 15–35 °C ambient range—compensated via software interpolation if enabled.
Are firmware updates field-deployable via Bluetooth?
Yes—OTA updates are supported using signed binary packages; bootloader enforces digital signature verification prior to flash programming.
