A failure of the second and third orders from a concave grating to focus in the same curve is described. The fourth and fifth orders show no anomaly. No logical explanation seems possible at present but it is pointed out that the effect may be common though undetected.

PDF Article

Cited By

You do not have subscription access to this journal. Cited by links are available to subscribers only. You may subscribe either as an OSA member, or as an authorized user of your institution.

Contact your librarian or system administrator
Login to access OSA Member Subscription