IndiGo VIS-NIR Fiber-Optic: Mobile Spectroscopy via Remote Fiber Sensing (400nm – 1000nm)

The IndiGo VIS-NIR Fiber-Optic is a high-performance spectral measurement system that pairs the compact efficiency of the IndiGo spectrometer (400 nm – 1000 nm) with the absolute flexibility of a multi-branch fiber optic probe. Equipped as standard with a built-in 400-1000 nm hyperspectral LED and a 365 nm UVA excitation source, this configuration allows you to instantly switch between diffuse reflectance and UV fluorescence modes. By decoupling the sensor from the sampling point, you can deliver light and capture spectral signatures directly on complex, fragile, micro-sized, or hard-to-reach samples.

Why Choose a Fiber-Optic Configuration?

Zero-Contact & Sample Preservation: Ideal for protecting precious, delicate, or hazardous items during analysis.
Micro-Spot Testing: Target millimeter-scale areas with extreme precision, such as a microscopic inclusion inside a gemstone or a minute biological trace.
Unmatched Field Ergonomics: The spectrometer remains safely tucked in a carrying pouch or clipped to your belt, leaving only the lightweight stylus probe to be handled by the operator.
Dual-Engine Illumination: Use a single probe to capture color, structural chemistry (via the hyperspectral LED), and luminescence (via the 365 nm UVA excitation).

Core Applications: Advanced Mobile Analytics

### 1. 💎 Advanced Gemmology & Field Mineralogy The 400 nm – 1000 nm spectral band is a critical diagnostic window for geologists and certification laboratories, mapping both color-producing chromophores and structural lattice variations:

Natural vs. Synthetic & Treated Gem Distinction: Analyze the sharp absorption lines of transition metal ions (Iron Fe³⁺/Fe²⁺, Chromium Cr³⁺, Cobalt, Vanadium) to verify the origin and authenticity of sapphires, rubies, or emeralds.
UV Fluorescence Profiling (365 nm): The integrated UVA excitation source lets you capture high-resolution photoluminescence emission spectra. This is crucial for screening natural diamonds from HPHT/CVD lab-grown counterparts or characterizing resin/oil treatments in emeralds.
Core Logging & Rare Earth Elements (REE): Perform immediate on-site identification of iron oxides (goethite, hematite), alteration clays, and track critical Rare Earth Elements like Neodymium ($Nd^{3+}$) or Praseodymium ($Pr^{3+}$) via their ultra-sharp absorption peaks.

### 2. 🩸 Forensic Science, Crime Scene Investigation & Anti-Counterfeiting The portability and dual-source lighting provide unique non-destructive screening capabilities for forensic experts, law enforcement, and customs:

Non-Destructive Biological Fluid Screening: Turn on the 365 nm UVA source to excite, visualize, and instantly record the unique fluorescence fingerprint of body fluids (such as semen, saliva, or urine) on complex background surfaces without destroying DNA for future lab testing.
Anti-Counterfeit Auditing (Luxury, Banknotes, Documents): Instantly validate passports, banknotes, or high-end luxury products by checking the spectral emission of fluorescent security inks, taggants, and embedded security threads.

### 3. 🌿 Biotech, Agrifood & Environmental Process Monitoring The remote probe allows you to perform in-vivo or closed-environment monitoring on living matrices or liquids:

Fermentation & Bioreactor Tracking: Inserted via an airtight port or immersion well, the probe monitors cell density (turbidities/OD at 600 or 750 nm) and the fluorescence of key metabolites (like NADH or riboflavin under UV excitation) in real time without sampling.
In-Vivo Plant Tissue Profiling: Scan leaves or fruits directly on the branch to track photochemical reflectance indices (PRI), chlorophyll degradation via induced fluorescence, or water content at 970 nm to calibrate harvesting schedules.

💡 Custom Fiber Bundles & OEM Light Sources

Does your application require a unique probe geometry (such as 45°/0° reflectance or an industrial immersion probe for corrosive chemicals), customized fiber lengths, or a specific excitation wavelength (like 254 nm or 405 nm)? GoyaLab specializes in tailoring optical bundles and light engines to match your proprietary OEM specifications.
👉 Contact our engineering team to discuss your custom project requirements

A Connected Software Ecosystem Built for Data Science

The IndiGo VIS-NIR Fiber-Optic leverages GoyaLab’s software suite to transform raw waveforms into immediate analytical metrics:

SpectroLab (Windows): Comprehensive laboratory software to acquire spectra, control individual source toggles (LED vs. UVA), and apply essential data pre-processing steps (white reference blanking, Savitzky-Golay smoothing).
Android Application: Connect via Bluetooth 5.0 for 8 hours of standalone battery life, allowing operators to run point-and-shoot spectral scans in mines, crime scenes, or remote outdoor environments while automatically logging GPS coordinates.
« SpectroLink » Python Library: The ultimate tool for developers and data scientists. Stream the full 400-1000 nm spectral array into custom scripts or multivariate calibration models (PCA, PLS regression) for automated material classification and purity testing.

📦 Shipping & Package Contents: The IndiGo VIS-NIR Fiber-Optic package includes the base spectrometer unit (400-1000 nm) with built-in hyperspectral LED and 365 nm UVA sources, the multi-branch fiber optic probe (SMA-905 connection), and a calibrated white diffuse reflectance standard.
✉️ To customize your probe length, light sources, or request a quote, please contact our sales team via email.

🔽 Downloads: Download IndiGo VIS-NIR Fiber-Optic Datasheet