Kehar Singh, Optics and Photonics Centre, IIT Delhi

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No course is recorded against Kehar Singh yet.

Doing a BTP, MTP, PhD, internship or RA position under Singh, scored on five separate axes.

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Mentorship5

1 · left yourself to itclosely guided · 10

Availability5

1 · weeks to get a replyresponds same day · 10

Freedom5

1 · told exactly what to dopicked my own direction · 10

Workload5

1 · lightpunishing · 10

Credit5

1 · contribution went unacknowledgedscrupulously fair on authorship · 10

These are deliberately not all “high is good”. Someone who wants heavy guidance and someone who wants total autonomy are looking for opposite ends of the Freedom axis. Answer honestly about what it was like; readers will judge fit.

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Areas listed by the department

*Information optics * Information security * Holography * Singular optics

Publications, via OpenAlex

30h-index

3147Citations

152Works

77i10

Topic clusters

Chaos-based Image/Signal EncryptionAdvanced Optical Imaging TechnologiesPhotorefractive and Nonlinear OpticsDigital Holography and MicroscopyComputer Science and Engineering

Most recent

Color image authentication with QR code through structured light field · Physica Scripta, 2026
Wavefront astigmatism sensing via spin–orbit coupling induced by a q -plate · Applied Physics Letters, 2026 · 2 citations
Color image authentication using QR code through spatially varying polarization in vectorial light fields · 2025
Color image authentication using QR code through spatially varying polarization in vectorial light fields · 2025
Double-image encryption by utilizing the Fourier domain, singular value decomposition, chaotic phase mask and wavelet transform · Journal of Modern Optics, 2025 · 6 citations

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