RL-IRP Series Immersion Raman Probe

Functional Targeting for Immersion Raman Analysis
The RL-IRP Series Immersion Raman Probe is engineered specifically for researchers and engineers requiring accurate and reproducible measurements in liquids and solids. It supports immersion measurements with fiber-pigtailed connectivity that interfaces seamlessly with RealLight NL-series narrow-linewidth diode lasers. This probe’s compact 12 mm diameter and customizable probe length accommodate constrained or complex environments, while the manual safety shutter enhances operational safety during precise Raman spectroscopy data acquisition. Its design targets lab and industrial users demanding flexible immersion sensing solutions optimized for various sample geometries and measurement distances.

Precise Technical Features and Measurable Parameters
This immersion probe provides a broad spectral range spanning from 176 to 4000 cm⁻¹, dependent on the selected wavelength (532, 785, 830, or 1064 nm), enabling detailed spectral resolution in Raman spectroscopy. The excitation fiber uses 105 μm core diameter with NA 0.22, and the collection fiber employs 200 μm core, ensuring high optical coupling efficiency. The probe tolerates operating temperatures from -20 to 150 °C and resists pressures up to 1 MPa, with pH compatibility across the range 1–14. The inclusion of high filter efficiency (OD6) and configurable working distance (0.5–1 mm) aligns with stringent measurement protocols necessary for reproducible spectral data in immersion Raman setups.

Applications and Industry Integration Benefits
The RL-IRP probes facilitate immersion Raman spectroscopy across varied industrial environments including chemical process analytics, pharmaceutical formulation, and quality assurance labs. Their robust fiber connectivity and compatibility with NL-series diode lasers streamline integration into existing spectroscopic systems. The probes serve in calibration verification, performance benchmarking, and in-field spectral monitoring applications requiring high sensitivity and operational stability. This product addresses engineering needs for reliable immersion measurements, supporting complex workflows in research, process control, and industrial validation that demand consistent spectroscopic data acquisition in challenging sample matrices.


Product Advantages
Systematic Design and Modular Adaptability
The RL-IRP probe embodies a fiber-pigtailed design ensuring straightforward modular integration with RealLight’s NL-series narrow-linewidth diode lasers. The compact 12 mm housing fits restricted environments while customizable probe tube lengths allow adaptation to sample-specific immersion depths. The manual safety shutter adds a layer of operational security, mitigating light exposure risks. Various fiber connector options (SMA905 or FC/PC) maximize compatibility with diverse instrumentation architectures. Its wide spectral support and optimized fiber specifications reflect a purpose-built engineering approach that enhances system-level Raman spectroscopy performance within a compact footprint.

Operational Performance and User-Centric Reliability
From a performance standpoint, the RL-IRP Series delivers stable optical coupling and precise spectral data capture suitable for stringent scientific and industrial applications. The probe’s resistance to a wide temperature range and chemical conditions (pH 1–14) ensures durability and longevity in diverse sample environments. Easy integration into laser-based Raman systems promotes efficient workflows and scalability. The customizable working distance facilitates optimization for both liquids and solids, improving signal-to-noise ratio and measurement repeatability. This solution thus enhances user productivity by providing reliable, high-fidelity Raman spectroscopy capabilities with minimal maintenance.


Use Scenarios
Immersion Raman Probe in Pharmaceutical Quality Control
Within pharmaceutical manufacturing facilities, accurate molecular characterization of liquid suspensions and solid formulations is critical for batch validation. The RL-IRP Series functions as a robust immersion probe, enabling in-line and at-line spectroscopic measurements that assure product consistency and compliance with regulatory standards. Its compatibility with narrow-linewidth diode lasers supports multiplexed spectral acquisitions, critical for identifying polymorphic forms and impurity profiles. Integration into existing process analytical technology (PAT) systems is facilitated by its modular fiber connectors and adjustable probe geometry, ensuring seamless workflow incorporation in highly controlled industrial environments.

Field Deployment in Chemical Process Monitoring
In chemical production plants and research facilities, inline monitoring of reaction mixtures via Raman spectroscopy enables real-time process control and optimization. The RL-IRP immersion probe’s compact design and temperature tolerance allow deployment in confined or harsh environments typical of industrial reactors. Its stable optical coupling and wide spectral range provide reliable spectroscopic data critical for detecting intermediate species and reaction endpoints. The probe’s ability to withstand varying pH levels and pressure improves operational robustness. Additionally, its fiber-pigtailed design permits rapid connection and disconnection from laser sources, facilitating maintenance and minimizing downtime in continuous production workflows.


FAQ
What types of samples are suitable for the RL-IRP immersion Raman probe?
Our RL-IRP series immersion Raman probes are designed for high-sensitivity Raman spectroscopy measurements in both liquids and solids. The probes’ customizable working distances and fiber configurations ensure reliable analysis in various sample types, including constrained lab or field environments requiring immersion sensing.

Can I customize the fiber connectors and probe dimensions to fit my setup?
Yes, you can select from SMA905 or FC/PC fiber connectors for both excitation and collection fibers. The probe tube length and working distance (0.5–1 mm for liquids) are customizable to suit different measurement geometries, ensuring seamless integration with your existing Raman spectroscopy instrumentation.

Is the RL-IRP series compatible with other laser sources besides RealLight NL-series lasers?
The RL-IRP probes are optimized for use with RealLight’s NL-series narrow-linewidth single-mode or multi-mode diode lasers, which guarantee clean spectral lines and stable data. For best results and guaranteed compatibility, we recommend pairing RL-IRP probes with these specific laser sources, but please consult us for additional configurations.

What maintenance procedures are recommended to ensure probe longevity and performance?
We advise regular inspection of the manual safety shutter and fiber connectors to prevent contamination or damage. The RL-IRP series tolerates pH 1–14 and pressures up to 1 MPa; nonetheless, proper cleaning and storage under recommended operating temperatures (-20 to 150°C) maintain probe stability and measurement accuracy over time.

RealLight’s self-developed Raman probes, featuring excellent coupling efficiency, wide spectral range and good stability, can be used for laboratory applications, field measurements, etc. Manual safety shutter, different fiber connectors or probes with different working distance are available according to the demands, to effectively complete the measurement of liquids and solids. The RL-IRP series immersion Raman probes are compatible with RealLight’s NL series single-mode/multi-mode narrow linewidth diode lasers.

RL-IRP Series Immersion Raman Probe
APPLICATION

  • Raman spectroscopy

KEY FEATURES

  • High sensitivity

    /
  • Compact design
    /
  • Low loss
    /
  • O.D.>6
    /
  • Multiple wavelengths available

    /
PRODUCT PARAMETERS
Part No. RL-IRP-532-(F/S)S RL-IRP-785-(F/S)S RL-IRP-830-(F/S)S RL-IRP-1064-(F/S)S
Center Wavelength(nm) 532 785 830 1064
Spectral Range(cm-1) 176~4000 176~3500 176~2800 200~3000
Operating Mode Fiber pigtailed
Probe Outer Dimensions(mm) 12
Probe Tube Length customizable
Filter Efficiency OD6
Working Distance/Applicable System 0.5~1mm / Liquid
Excitation Fiber 105μm,NA0.22;SMA905 or FC/PC
Collection Fiber 200μm,NA0.22;SMA905
Fiber Length(cm) (100+30)±0.2
Operating Temperature(℃) -20~150
Maximum Pressure Resistance (MPa) 1
pH Tolerance Range 1~14
777