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AOTF 2837-31

For use in the 351–430 nm wavelength range with an active aperture of 2.5 mm and a bandwidth of 1 nm.

Full Product Description
351–430 nm
Active Aperture:
2.5 mm
1.0 nm
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Product description

Patented side lobe suppression technology provides excellent out-of-band suppression. Combining optimum grade Tellurium Dioxide, high-quality optical finishing, high-grade anti-reflection coatings, with novel acoustic management and optomechanical design techniques, our tunable filters achieve exceptional thermal management while maintaining superior beam quality and high optical throughput.

Key features

  • Excellent out-of-band suppression
  • High Damage Threshold
  • Improved thermal management
  • Superior beam quality


Wavelength351–430 nm
Active Aperture2.5 mm
Bandwidth1.0 nm

AO mediumTeO2
Acoustic velocity.68 mm/μs
Active aperture*2.5 mm dia
RF frequency range92-132 MHz
RF bandpass (FWHM)560 KHz @ 390 nm
Wavelength range351-430 nm
VSWR2.4:1 max
Input impedance50 Ω nominal
Insertion loss10% max
Temperature sensitivity0.05 nm/C
Diffracted beam collinearity, min deviation0.01°
Input optical polarizationvertical
Output optical polarizationhorizontal
Max RF power1 W