The SID4-eSWIR HR Wavefront Sensor is a high-resolution optical metrology system optimised for the extended shortwave infrared (eSWIR) spectral range, typically 1100 – 2300 nm. Using Phasics’ patented quadriwave lateral shearing interferometry (QWLSI®) technology, it provides ultra-precise, quantitative phase measurements of lasers, optics, and imaging systems operating in this band. Offering superior spatial resolution and exceptional dynamic range, it delivers real-time characterisation of complex optical systems. Compact, alignment-free, and robust, the SID4-eSWIR HR is ideal for semiconductor, defence, aerospace, and biomedical applications requiring precision in extended SWIR optical metrology.

High-Resolution eSWIR Metrology

Provides ultra-precise wavefront characterisation across the 1100 – 2300 nm range.

QWLSI® Technology

Patented interferometry ensures accurate, quantitative phase measurements with high dynamic range.

Superior Spatial Resolution

Delivers fine detail for detecting subtle optical aberrations and phase variations.

Real-Time Data Acquisition

Supports dynamic monitoring of extended SWIR optical phenomena.

Compact & Alignment-Free

Simplifies deployment in laboratories, industrial systems, and adaptive optics setups.

Advanced Data Analysis

Generates wavefront maps, MTF, and PSF for in-depth optical performance evaluation.

Advantages:

• Provides unmatched high-resolution sensing in the extended SWIR band

• Detects fine-scale aberrations invisible to traditional interferometry methods

• Enhances precision in semiconductor and photonics device testing

• Real-time monitoring improves optical system optimisation and control

• Robust, compact design enables easy integration into industrial setups

• Supports compliance with demanding aerospace, defence, and biomedical standards

• Reduces complexity and downtime with alignment-free operation

• Trusted by global research institutions and industries for advanced eSWIR metrology

Defence & Security

Supports calibration and optimisation of eSWIR surveillance and imaging systems.

Semiconductor & Photonics

Provides accurate testing of extended SWIR optical devices, detectors, and photonic components.

Aerospace Applications

Validates eSWIR-based optical systems for navigation, imaging, and communications.

Medical & Biomedical Research

Optimises eSWIR imaging for tissue diagnostics, research, and biophotonics.

Research & Development Centres

Delivers high-resolution metrology tools for universities and labs studying eSWIR optics.

Industrial Quality Control

Ensures repeatable, precise testing of eSWIR optics in production and inspection.

The SID4-eSWIR HR Wavefront Sensor redefines extended SWIR metrology by combining high resolution, real-time feedback, and reliability for demanding scientific and industrial applications.

United Spectrum Instruments is the authorised distributor of SID4-eSWIR HR Wavefront Sensors in India, offering end-to-end support for advanced optical metrology.

• Genuine Phasics SID4-eSWIR HR systems with full manufacturer warranty

• Expertise across semiconductor, defence, aerospace, and biomedical applications

• Pan-India installation, training, and after-sales service

• Seamless integration with eSWIR lasers, imaging systems, and R&D setups

• Competitive pricing supported by dependable technical guidance

With strong expertise in photonics and optical metrology, United Spectrum Instruments ensures Indian industries and research centres access state-of-the-art eSWIR high-resolution wavefront sensing solutions for innovation, compliance, and precision.