UV Fused Silica &H-BK7 Spherical Lenses for Spectroscopy Application

1. Core Materials & Optical Design:

• Material A (UV Range): UV Fused Silica (Synthetic Quartz). An ultra-pure, amorphous glass ideal for ultraviolet (UV) to near-infrared (NIR) transmission.

• Material B (Visible Range): H-BK7 Optical Glass. A high-quality crown glass standard for visible light applications, offering excellent homogeneity and clarity.

• Design: Precision-manufactured spherical lenses (plano-convex, bi-convex, etc.) with surfaces ground and polished to exact radii for specific focal lengths.

2. Defining Physical & Optical Properties:

• Broad Spectrum Transmission: UV Fused Silica transmits deeply into the UV range (down to ~185nm), while H-BK7 covers the visible spectrum optimally.

• Low Aberration & High Homogeneity: Both materials exhibit excellent uniformity with minimal inclusions or striae, critical for reducing optical distortion and scatter in sensitive measurements.

• Environmental Stability: Fused silica offers exceptional resistance to laser damage and thermal shock. H-BK7 provides good chemical durability and stable refractive index.

• Precision Surface Quality: Surfaces are finished to tight tolerances on curvature, centering, and scratch-dig specifications to ensure wavefront fidelity.

3. Primary Function in a System:

• Light Collection & Collimation: Used to effectively gather, focus, or collimate light from a source, sample, or entrance slit within the spectrometer.

• Spectral Image Formation: Form sharp images of spectral lines onto a detector (e.g., CCD, photomultiplier tube), directly impacting resolution and signal strength.

• Minimizing Signal Loss: High transmission and low scatter properties maximize light throughput, enhancing the system's sensitivity and signal-to-noise ratio.

4. Target Applications & Industries:

• Analytical Spectroscopy: Fluorescence spectrometers, absorption spectrometers (UV-Vis), Raman spectrometers, and monochromators.

• Laboratory & Research Instruments: Used in spectrophotometers, spectral analyzers, and environmental monitoring equipment.

• Laser & Optical Systems: As focusing or beam-conditioning optics in systems utilizing UV or broadband laser sources.

• Industrial Process Control: For inline spectral analysis in pharmaceutical, chemical, and semiconductor manufacturing.