Athermal Optical Mount Expansion Calculator
Optomechanical athermalization: Compute required elastomeric bond thickness ($t_e$), differential radial strain ($\Delta r$), thermal pinching stress ($\sigma_r$), and transmitted wavefront error (OPD) across operational temperature swings.
Optic & Cell Material Interface
Swing relative to assembly temp
e.g. Dow Corning 93-500 RTV
Athermalization Parameters & Stress
Athermal Bond Gap t_e:
--
mm (Bayar athermal bond)
Radial Differential Δr:
--
μm (unconstrained expansion)
Unbuffered Stress σ_r:
--
MPa (if hard clamped)
Wavefront OPD RMS:
--
waves (λ = 632.8 nm)
Maréchal Criterion:
--
λ / 14 limit
Mounting Recommendations
CTE Differential (α_m - α_g):
-- ppm/K
Required Flexure Compliance:
-- μm/N
Optical Safety Status:
--
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