1. LASER : IDEALLY SUITABLE RED LASER LIGHT FOR INTERFERENCE AND DIFFRACTION EXPERIMENTS. LASER TUBES ALONG WITH  POWER SUPPLY ARE HOUSED IN POWDER COATED BOX.
2. MOUNT: THIS RECTANGULAR STAND IS SUITABLE TO FIT OMEGA HE-NE LASER. THIS MOUNT CAN BE USED ON OPTICAL BENCH AS WELL AS ON HEAVY BASE. THIS STAND IS USED TO ALIGN THE HE-NE LASERS WITH OTHER OPTICAL COMPONENTS.
3. SUPPLIED WITH HEAVY BASE.

IT CONSISTS OF :

1. BI-PRISM HOLDER: TO HOLD THE FRESNEL BI-PRISM WITH FINE RADIAL MOTION
2. LENS HOLDER: AUTOMATIC SPRING LENS HOLDER MADE OF BRASS
3. MICROMETER EYEPIECE: EYEPIECE FITTED ON A SLIDER WHICH MOVES ALONG THE MICROMETER SCREW
4. SLIT: OPTICALLY TRUE SLIT FITTED WITH SLOW MOTION SCREW TO OPEN THE JAWS OF SLIT UNIFORMALLY
5. OPTICAL BENCH: NODAL SLIDE ASSEMBLY IS FITTED ON HEAVY OPTICAL BENCH WITH TWO FIXED AND 2 MOVABLE SLOWMOTION RIDERS

Omega precision spectrometers are versatile and designed to achieve higher accuracy of measurement and is useful for the study of spectra produced by prisms and gratings, for the measurements of dispersive powers, wavelengths of spectral lines, the refractive indices of the material of transparent solids and liquids.

SALIENT FEATURES

1. COLLIMATOR AND TELESCOPE TUBES ARE CARRIED ON STURDY MACHINES PILLARS PROVIDED WITH MICROMETER SCREWS IN TELESCOPE AND COLLIMATOR TUBES FOR FINE ALIGNMENT
2. BASE IS MACHINED CASTING FITTED WITH LEVELING SCREWS AND CARRIES THE FIXED COLLIMATOR AND SWINGING TELESCOPE ARM IN PERFECT ALIGNMENT
3. SLIT OF THE COLLIMATOR IS OF STAINLESS STEEL / BRASS AND JAWS ARE FINISHED AND GROUND WITH UTMOST CARE AND TESTED FOR ACCURACY OF EDGES . THE TWO JAWS ARE OPERATED BY KNURLED RING .
4. PRISM TABLE WITH GRATING HOLDER IS PROVIDED WITH THREE LEVELING SCREWS AND IS ENGRAVED WITH CONCENTRIC LINES TO FACILITATE CORRECT LOCATION OF THE PRISM . IT MAY BE RAISED OR LOWERED AND ROTATED INDEPENDENTLY OF THE VERNIERS .
5. SCALE IS MACHIN DIVIDED IN ½ OR 1/3 DEGREES ON A STAINLESS STEEL SCALE FROM DUST AND CARRIES TWO TRANSPARENT PLEXI PROTECTED WINDOWS FOR VERNIERS . THE SCALE CIRCLE IS PROVIDED WITH CLAMPIN AND TANGENTIAL SCREWS FOR COARSE AND FINE MOVEMENTS . TWO VERNIERS ARE PROVIDED TO READ 1 MIN OF THE ARC OR 30 SEC. AS SPECIFIED .
6. OPTICS FINEST QUALITY ACHROMATIC OPTICS ARE USED THE OBJECTIVE ARE 1” CLEAR APERTURE WITH 10X EYE PIECE RAMSDEN FITED WITH CROSS LINE
7. PACKING THE ISTRUMENT IS NICELY PACKED IN PLYWOOD BOX.

CAT NO. 661 – READING TO 1 MIN OR 30 SEC. OF AN ARC 6” OR 7”: CIRCLE .

THIS IS DESIGNED FOR USE IN THE VERTICAL AND HORIZONTAL PLANES. THE VERTICAL GUIDE BAR IS MADE OF BRASS. IT ROTATES ON BALLS CENTERS AND CAN BE CLAMPED IN ANY POSITION. THE TELESCOPE IS FITTED WITH ACHROMATIC OBJECTIVE AND EYEPIECE MOUNTED ON A SUB CARRIAGE WHICH SLIDES ON THE MAIN CARRIAGE.

• Cast iron base, properly machined and fitted with brass leveling screws.
• Carriage sliding smoothly in dovetail grooved at the base. it can be clamped at any position. its slow motion is achieved through a slide screw attached by a brass knob. it carries a vernier and slides along a scale fixed on the iron base
• Vertical pillar of brass, fixed on the carriage. it has a scale and a slider that carries the vernier with stainless steel embedded.
• The microscope fixed on the vertical pillar. it is adjustable by rack and pinion. it can be clamped at any position. an index mark indicates the correct position in a horizontal or vertical plane.
• The stage is provided with a white plastic plate
• A special arrangement is provided for the transverse movement of the microscope
• Travel: vertically 18 cm, horizontally 22cm and transversely 6 cm
• The movement can be measured with help of scale and vernier.
• Packed in superior wooden case

• Cast iron heavy base, properly machined and fitted with brass leveling screws. the bed on which the carriage moves is completely made of brass
• Carriage sliding smoothly in dovetail grooved at the base. it can be clamped at any position. its slow motion is achieved through a slide screw attached by a brass knob. it carries a vernier and slides along a scale fixed on the iron base
• Vertical pillar of brass, fixed on the carriage. it has a scale and a slider that carries the vernier with stainless steel embedded.
• The microscope fixed on the vertical pillar. it is adjustable by rack and pinion. it can be clamped at any position. an index mark indicates the correct position in a horizontal or vertical plane.
• The stage is provided with a white plastic plate
• A special arrangement is provided for the transverse movement of the microscope
• Travel: vertically 18 cm, horizontally 22cm, and transversely 6 cm.
• The movement can be measured with help of scale and vernier.
• Packed in superior wooden case