Equipment

• Optical System and Monochromator: Optical Design: Single/Double Monochromator using Holographic concave grating - Excitation & Emission Range: Zero Order, 200 nm to 750 nm (or) better - Wavelength Accuracy: Should be at least +/-1.5 nm (or) Better - Wavelength Repeatability: +/- 1.0 nm (or) Better - Spectral Bandwidth (Slits): Variable and minimum should be 1, 2.5, 5,10,20, L5, L10nm on Both excitation and emission monochromators - High-Order Diffraction Removal: Automatic software-controlled higher-order diffraction cut filters must be provided as standard on both channels. • Light Source and Detection Light Source: High-stability, long-life 150 W Ozone-Free Xenon Arc Lamp with shielded lamp housing (rated lifetime ≥ 3,000 hours).- Validation Standard: Built-in / integrated Mercury (Hg) lamp for automatic wavelength calibration and instrument validation.- Photofading Protection: Automatic software-controlled shutter system to protect sensitive biological or chemical samples from photobleaching during idle periods. – Detectors; Excitation Channel: Silicon Photodiode for real-time reference monitoring. Emission Channel: High-performance, high-sensitivity Photomultiplier Tube (PMT). Sensitivity (Signal-to-Noise): Water Raman Peak S/N ratio ≥ 8,000 : 1(RMS) • Performance & Measurement Capabilities -Wavelength Scan Speed: 10 to 20,000 nm/min (or better). - Slew Speed: 30,000 nm/min or better. - Photometric Range: -10,000 to +10,000 or wide dynamic range (≥6 orders of magnitude). Software Package: Windows 10/11-compatible control & processing software supporting: 2D & 3D Excitation-Emission Matrix (EEM) scanning, Fixed wavelength & multi-wavelength kinetics / time-course decay, Synchronous scan mode (constant wavelength and constant energy), Relative Quantum Yield calculation, Absorbance measurement & automatic spectral correction, Instrument self-diagnostics and auto-accessory recognition • Sample Compartment & Accessories - Liquid Sample Handling: Standard 10 mm rectangular cell holder assembly. Must include 1 pair (2 Nos.) of Quartz Fluorescence Cuvettes (10 mm path length, 3.5 mL volume, 4-sided polished windows) with PTFE stoppers/lids. Solid/Powder Sample Handling: Dedicated Solid/Powder Sample Holder for thin films, powders, and opaque substrates. Temperature Control: Provision/capability to integrate a Peltier-based thermostatted cell holder system. Expansion Options: System must support future upgradeability to Micro-volume cell holders (up to 5µL). • Warranty & Delivery Terms: Warranty: Minimum 3-Year comprehensive warranty on the complete system including light source and accessories from the date of successful installation. Installation & Training: Free on-site installation, demonstration, and user training by factory-trained service engineers.